A titer is a blood test that measures the level of antibodies your immune system has built up against a specific disease — usually because you were vaccinated or had the illness in the past. For school and clinical compliance, a positive (or "reactive") titer is accepted as proof of immunity in place of vaccination records.

The most commonly required titers are MMR (measles, mumps, rubella), Varicella (chickenpox), and Hepatitis B. Some programs also require Hepatitis A, Tdap proof, or a TB screen alongside titers.

Browse all titer tests from $38.88

A vaccine creates immunity by exposing your immune system to a harmless piece of the disease. A titer verifies that immunity already exists by measuring antibodies in your blood. Schools accept either: a complete vaccination record, OR a positive titer.

Titers are especially useful when vaccine records are lost, when you were vaccinated decades ago, or when a program requires documented proof of immunity rather than just a shot record.

For most diseases — measles, mumps, rubella, varicella, hepatitis A — yes, a documented positive titer is generally accepted as lifetime proof of immunity by schools and clinical programs.

Hepatitis B is the main exception: protection can wane over years, and some programs require a fresh quantitative anti-HBs titer within a specific window. Always check your program's documentation rules before testing.

A qualitative titer reports only "positive / negative / equivocal." A quantitative titer reports a numeric value (e.g., anti-HBs of 47 mIU/mL) alongside the reference range.

Most nursing, medical, dental, and allied-health programs explicitly require quantitative results for Hepatitis B — and many require quantitative results for all titers. If you order the wrong type, your school will reject the report and you'll pay twice. Every titer we offer is quantitative by default.

Equivocal means the antibody level sits in a gray zone — not clearly positive, not clearly negative. Most schools treat equivocal the same as negative for compliance purposes.

Your options are usually:

1. Repeat the titer in a few weeks.
2. Get a booster vaccine and re-titer 4–8 weeks later.
3. Sign a declination/waiver if your program allows it for that specific disease.

No. SchoolTiters is self-pay and doesn't require insurance. Your price includes the doctor's order and lab work, with no surprise lab or collection fees added later. You order online, get your lab order, and have your blood drawn at a partner location near you. Browse all titer tests →

If your school lists several immunity requirements (MMR, varicella, Hep B), a complete school titer panel is usually simpler and cheaper than buying each test separately. If you only have one missing requirement, order just that individual titer. Shop titer panels →

Your results come back as a lab report showing the test name, result, reference range, collection date, and your information — the details most school portals (Castle Branch, Complio, American DataBank) require. If your program also requires its own form, you upload our lab report alongside it.

Yes — titers can be ordered for students under 18, which makes SchoolTiters a fit for high-school students entering dual-enrollment, early college, or healthcare programs. A parent can order on a minor child's behalf.

Cash prices vary widely by provider type:

A complete school panel (MMR + Varicella + Hep B) typically runs $139–$269 through online services and $300–$500+ through traditional clinical settings.

Three reasons:

1. Online direct-to-access labs cut out the office visit, physician consult fee, and facility markup.
2. They bundle panels at volume pricing.
3. They don't bill insurance, which removes administrative overhead.

The actual blood draw and lab analysis happen at the same CLIA-certified reference labs used by hospitals — the science is identical, only the access model differs.

Sometimes, but it's complicated. Insurance often denies titers ordered solely for school or employment compliance because they're considered "administrative" rather than medically necessary.

Even when covered, you typically still pay a copay or owe the full amount until your deductible is met. Many students find cash-pay direct-to-access pricing ends up cheaper than running it through insurance — especially with high-deductible plans.

It depends on insurance. Many insurance plans cover vaccinations as preventive care, while titers ordered specifically for school or work compliance are often not covered — they're treated as administrative tests rather than medical necessities.

That said, if you've already been vaccinated and just need to prove immunity, a titer is dramatically faster than repeating a full vaccine series. A $38.88 quantitative Hep B titer confirms existing immunity in days versus 6+ months for a new 3-dose series. If your records are lost but you know you were vaccinated, start with a titer.

You can buy individual titers. Single antibody tests typically run $30–$90 each through online labs. Bundled panels almost always offer better per-test pricing — a 4-disease panel often costs less than two single titers ordered separately.

Order the panel your specific program requires. Ordering extras you don't need is the most common money mistake.

Nearly every U.S. nursing program requires proof of immunity to:

• Measles, Mumps, Rubella (MMR) — quantitative IgG titer for each
• Varicella (chickenpox) — quantitative IgG titer
• Hepatitis B — quantitative surface antibody (anti-HBs) titer after the vaccine series
• Tdap — current vaccination (not a titer)
• Influenza — annual vaccine
• TB screening — QuantiFERON or T-Spot blood test, or 2-step PPD

Some programs also require Hepatitis A and meningococcal documentation. Always pull your program's specific checklist before ordering.

Medical schools require essentially the same core panel as nursing programs (MMR, Varicella, Hep B quantitative, Tdap, TB, flu) plus often:

• Hepatitis A titer or vaccination
• Meningococcal ACWY for students under 22
• COVID-19 vaccination (program-dependent)
• Polio booster documentation in some programs

A small but growing number of medical schools also ask for a post-needlestick baseline including HIV, Hep B, and Hep C status before clinical rotations begin.

The same MMR + Varicella + Hep B (quantitative) core that nursing requires, plus TB screening.

Dental and dental hygiene programs are the strictest about Hepatitis B because of exposure risk from sharps and aerosolized blood. PA and pharmacy programs typically mirror medical school requirements. Phlebotomy, CNA, EMT, MA, and radiology tech programs almost always require the same core panel.

Usually not — most public K–12 schools accept vaccination records directly and don't require titers.

However, titers are accepted as proof of immunity in place of vaccination for measles, mumps, rubella, varicella, and Hepatitis B in nearly every state. This is the standard path when childhood vaccine records are lost, incomplete, or from another country.

Most colleges require vaccination records (not titers) for enrollment and housing — typically MMR, meningococcal, and sometimes Hep B.

Titers come into play when records are missing or the student needs to prove immunity without revaccinating. Some out-of-state and international students rely on titers to satisfy state-specific requirements quickly.

Study abroad programs increasingly require titer-verified immunity to measles, mumps, rubella, varicella, and Hepatitis A/B — because vaccine records from outside the U.S. often don't translate cleanly to American school systems.

International students entering U.S. universities frequently use titers to satisfy state immunization laws when their home-country records aren't accepted as-is. For green-card and visa holders, our Immigration Titer Panel matches USCIS / I-693 documentation requirements.

Order Immigration Panel from $299.99

Negative MMR means your antibody level didn't meet the immunity threshold, even if you were vaccinated as a child. Standard next steps:

1. Get one MMR booster dose.
2. Wait 4–6 weeks.
3. Repeat the quantitative MMR titer — or, if only one component was negative, retest just that one (measles, mumps, rubella).
4. If still negative after a second booster, most programs accept documentation of "two doses of MMR + non-immune titer" as compliance per CDC guidance.

You don't need to redo the entire childhood series — one booster is the standard protocol.

Re-test MMR $79

No — about 5–10% of healthy adults are "non-responders" to the initial Hep B series. The standard protocol:

1. Get one challenge dose (a 4th shot).
2. Re-titer 1–2 months later.
3. If positive, you're done.
4. If still negative, complete a second full 3-dose series, then re-titer.
5. If negative after two complete series, you're classified as a non-responder and can sign a declination/waiver. Most programs accept this documentation.

Total resolution time: 2–8 months. Start early.

Re-test Hep B Quantitative $38.88

Probably not. If you had a complete Hep B series in childhood, the standard first move is a single booster dose followed by a repeat quantitative titer 4–6 weeks later. Most childhood-vaccinated adults seroconvert back to positive after just one booster — you don't need to repeat the entire 3-dose series unless that first booster also fails.

Here's what's actually happening: Hep B surface antibody levels naturally wane 20–30 years after childhood vaccination. Physicians see this constantly — some estimate that close to half of adults with childhood Hep B vaccination test negative when re-checked as young adults. Cellular immunity often persists even when antibody levels fall below the detection threshold, which is why the one-booster protocol works so often.

Only if your titer is still negative after the booster does the CDC recommend completing a full second series and re-titering. And only after two complete negative series does the "non-responder" label apply.

Practical order: booster shot → wait 4–6 weeks → re-titer. Most people are done at that step. Read our full guide on childhood-vaccine Hep B titer negatives for the deeper walkthrough, cost comparison, and what programs actually accept.

Re-test Hep B After Booster $38.88

Sometimes, but with limits. Most programs allow a Hepatitis B declination/waiver only after documented non-response to two full vaccine series.

Religious and medical exemptions for MMR, Varicella, and other titers exist but vary by state and program — and some clinical sites refuse to place students with active waivers regardless of school policy. Treat waivers as a last resort, not a shortcut.

No. Schools expect a percentage of incoming students to have low or absent titers — it's normal and built into their compliance timelines.

What hurts students is starting late. Most programs require full compliance 30–60 days before clinicals begin; if you wait until orientation week to titer and your Hep B comes back negative, you may delay your clinical start by months.

This is why programs tell students to start titer testing the moment they're accepted.

A compliant titer report must include:

• Patient name and date of birth
• Date the blood was collected
• Name and address of the CLIA-certified lab
• The specific test performed (e.g., "Rubeola IgG, quantitative")
• Numeric result with units (mIU/mL, IU/mL, etc.)
• Reference range indicating what value counts as positive/immune
• Typed format — handwritten reports are almost universally rejected

Reports missing any of these are routinely rejected by Castle Branch (now DISA Healthcare Technology), Complio, American DataBank, SurPath / SurScan (used by Tulsa Community College, Grayson College, Dallas College, and other health-science programs), and university health services.

A note on 2026 vendor changes: the compliance-tracking market saw major consolidation this year. CastleBranch officially rebranded to DISA Healthcare Technology under DISA Global Solutions ownership (which also owns American DataBank, the parent of Complio). Separately, the Bridges EXP clinical-experience platform shut down entirely on June 30, 2026 — forcing many programs to migrate to new rotation-tracking tools mid-summer. If your program's compliance portal looks different than it did last year, that's why. The document requirements themselves haven't changed.

Read the full CastleBranch → DISA guide

One thing many people miss: many schools also require their own form to be filled out with titer levels alongside the lab report. Your primary care physician can complete these forms — but most direct-to-consumer labs and national lab chains won't. SchoolTiters completes school forms at no additional charge — just send us yours after results come back.

Yes — as long as the lab is CLIA-certified and the report meets the standard documentation requirements above.

School compliance offices care about the lab's certification and the report format, not which company you ordered the test through. The actual blood analysis at reputable online services happens at the same CLIA-certified reference labs hospitals use.

1. Download the PDF report from your lab portal.
2. Log into your compliance tracker — Castle Branch, Complio, American DataBank, SurPath / SurScan, or whichever portal your school uses — using the link they provided.
3. Find the requirement (e.g., "Measles IgG — quantitative").
4. Upload the PDF and enter the collection date and result value if prompted.
5. Wait 1–3 business days for the portal to verify your upload.

If rejected, the most common reasons are: handwritten edits, missing reference range, wrong test type (qualitative instead of quantitative), or expired results.

Most titers — MMR, Varicella, Hep A, Hep B — are accepted indefinitely once positive, because immunity doesn't typically wane in a way that requires retesting.

Exceptions:

• Hepatitis B quantitative anti-HBs: some programs require results within the past 1–2 years.
• TB screening (QuantiFERON): valid 1 year, must be repeated annually.
• Flu shot: valid one flu season.

Always confirm with your specific program — rules vary.

Yes, if the record is complete, signed by a healthcare provider, and shows the required doses with dates. Schools accept either path.

Titers become the better option when: records are lost, incomplete, from another country, only show partial doses, or when the school specifically requires "proof of immunity" rather than "proof of vaccination."

Your program's requirements are what matter for your paperwork. News coverage about national vaccine guidelines can be confusing, but school and clinical-site compliance is set by two independent sources: (1) your school's own policies, and (2) the credentialing standards of the hospitals and clinics where students train.

As of August 2026, every nursing, medical, dental, PA, pharmacy, and allied-health program we've reviewed still lists Hepatitis B immunity on its compliance checklist. If your program's page says you need a Hep B titer, you need a Hep B titer — regardless of what's happening in national policy debates.

Our job is simple: whatever your school, employer, or clinical site requires, we help you document it quickly and affordably. Check your program's specific checklist, and we'll match it.

Order Hep B Titer $38.88

For your own personal vaccination decisions, talk with your physician — that's the right conversation for your health history.

For healthcare program admission, the practical answer is different: as of August 2026, every accredited nursing, medical, dental, PA, pharmacy, and allied-health program in the U.S. still requires documented Hepatitis B immunity before students can start clinical rotations. Hospitals and clinics have their own credentialing rules, and those haven't changed.

Timing risk: the Hep B series takes 6 to 7 months to complete. If you skip it and your program still requires it when you apply, you'll be delayed by more than half a year. If you're anywhere near considering a healthcare career, starting the series early costs you nothing to keep the option open.

We're not here to weigh in on the broader debate — we're here to help you meet whatever documentation your program hands you. Send us your school's checklist and we'll help you get it done.

Read the full Hep B guide

Three main options:

1. Online order, local blood draw — order online, get a requisition emailed, walk into a partner draw site (thousands nationwide). Results in 2–5 days. Fastest and usually cheapest.
2. Primary care or urgent care — requires an appointment and office visit fee, but billable to insurance.
3. University student health services — often the cheapest option for currently-enrolled students but with limited hours.

For students who need a school-acceptable PDF report at the lowest cash price, online ordering with a local draw is the standard. Find a draw site near you — thousands of partner locations nationwide.

Order online · draw locally

Through traditional channels — yes. Through direct-to-access online labs — no.

Every SchoolTiters order includes a real physician's order generated automatically at checkout, plus all lab fees — no separate doctor's appointment and no surprise lab bills. You bring the requisition to a partner draw site and you're done.

Our published turnaround is 48–72 hours from blood draw to PDF report. In practice, most results return within 24 hours — we under-promise so we don't miss.

Important context: the major national reference labs that process most titer testing in the country don't offer stat or rush processing for titer panels — expedited testing usually isn't available at any price. Hospital outpatient labs often take 5–10 business days due to internal queues. A handful of smaller regional labs offer faster turnaround, but they're rare.

The takeaway: don't wait until the last minute. Order the day you're accepted to your program. Add 1–3 business days for compliance trackers (Castle Branch, Complio, American DataBank) to verify the uploaded report.

No. Titer tests measure antibodies, which aren't affected by food, water, or recent meals. You can eat normally, drink water, and take medications before your blood draw.

Fasting is only required for tests like cholesterol, glucose, or comprehensive metabolic panels — not titers.

The day you're accepted.

If any titer comes back negative — which happens to a meaningful percentage of students — you need 2–8 months to resolve it through boosters and re-testing.

Most programs require full compliance 30–60 days before clinicals begin. Starting in July for a fall start is cutting it dangerously close, especially for Hepatitis B.

Start your panel today $136

Yes. Each person needs their own order and requisition, but draw sites can typically handle multiple family members in one visit.

This is common for households where multiple kids need titers for school, sports, or international travel at the same time.

Probably not — most colleges accept your child's existing vaccination record.

Titers come into play only when (a) records are missing or incomplete, (b) the school requires proof of immunity rather than proof of vaccination, or (c) your child is entering a healthcare program (nursing, pre-med, allied health) where titers are explicitly required regardless of vaccine history.

Yes, if their program requires "proof of immunity." A history of chickenpox illness reported by a parent is generally not accepted by clinical programs as documentation.

They want either (a) a healthcare-provider-verified diagnosis from the time of illness, or (b) a positive Varicella IgG titer. A titer is usually the fastest and cheapest path — and most schools specifically require quantitative results, which is what we provide by default.

Order Varicella Titer $46.99

Titers are the standard solution. Instead of repeating the entire childhood vaccine series, a single titer panel can document immunity to MMR, Varicella, and Hepatitis B in one blood draw.

This is one of the most common reasons families order titer panels — lost records from a pediatrician who closed, moved, or didn't share records when the family relocated.

Sometimes, but not reliably. Foreign vaccination records often use different vaccine names, schedules, and documentation formats that U.S. compliance offices struggle to verify.

Titers eliminate the ambiguity by directly measuring immunity. Many international students and immigrant families use titers as the fastest path to U.S. school compliance.

Yes. A parent or legal guardian can order titer testing for a minor and consent to the blood draw.

Important context: most online direct-to-consumer lab services don't accept patients under 18. SchoolTiters is one of the few that does — we have a dedicated minors lab testing page for patients under 18.

Browse minor testing options

An MMR titer is technically three separate tests: Rubeola IgG (measles), Mumps IgG, and Rubella IgG. Each measures antibodies specific to one virus.

You can fail one and pass the others — for example, rubella titers commonly fade faster than measles or mumps. If one component is negative, you only need a booster for that specific virus, not the whole panel. We sell the combined MMR panel as well as individual measles, mumps, and rubella titers for re-testing a single component.

The standard school/clinical Hep B titer is quantitative anti-HBs (hepatitis B surface antibody). It measures antibodies your immune system built after vaccination.

A value of ≥10 mIU/mL is the standard threshold for "immune." A separate test, HBsAg (surface antigen), screens for active infection — that's different and usually only required for healthcare workers after a needlestick exposure.

Order Hep B Quantitative Titer $38.88

There's no "TB titer" — TB testing measures cellular immunity, not antibodies. The two accepted options are:

• PPD (Mantoux skin test): two visits, 48–72 hours apart, repeat annually. "Two-step" version requires four visits over weeks.
• QuantiFERON-TB Gold or T-Spot.TB: single blood draw, results in 2–5 days, no return visit.

Most healthcare programs now prefer the blood-based options because they're faster, more reliable, and unaffected by prior BCG vaccination.

Order QuantiFERON TB Gold $137

Just the vaccine. Tdap (tetanus, diphtheria, pertussis) is documented by vaccination record only — titers for tetanus and pertussis exist but aren't accepted by most schools as proof of compliance.

You need a Tdap shot within the past 10 years; many healthcare programs require it within the past 5–7 years specifically. The Tdap vaccine is also significantly cheaper than the titer in most cases — if your records are simply missing, getting another shot is usually the smarter move. That said, a few programs do accept a Tdap antibody titer as supplementary evidence, and we offer it for those specific situations.

Tdap Titer (when required) $179

The standard healthcare-program panel includes:

• Measles (Rubeola) IgG, quantitative
• Mumps IgG, quantitative
• Rubella IgG, quantitative
• Varicella IgG, quantitative
• Hepatitis B surface antibody (anti-HBs), quantitative

Some programs add Hepatitis A IgG and a TB blood test. Always match the panel to your specific program's checklist — don't over-order or under-order.

Order Complete School Panel $136

For routine childhood compliance — a K–12 student who simply needs an MMR or Hep B booster before kindergarten, middle school, or 7th grade — a vaccine is usually faster, simpler, and free under insurance or the federal Vaccines for Children (VFC) program.

Talk to your pediatrician, a pharmacy clinic (CVS, Walgreens, Costco), or your local health department first. Titers make sense when (a) vaccine records are lost or incomplete, (b) you can document past illness or vaccination but need quantitative proof, or (c) the program specifically requires "proof of immunity" rather than "proof of vaccination" — standard for nursing, medical, dental, PA, pharmacy, and allied-health programs.

Usually not. Insurance routinely denies titers ordered specifically for school or employment compliance because they aren't considered medically necessary — they're treated as administrative tests.

If you have an existing relationship with a doctor willing to tie the order to a covered diagnosis code and CPT code (immunity verification post-exposure, hepatitis screening, etc.), coverage sometimes goes through. But there's real risk: many patients see "covered" at the visit, then receive a large lab bill weeks later when the insurer reviews and denies — often 2–3× what they would have paid ordering directly from a site like SchoolTiters.

For most people, direct-pay is cheaper, faster, and predictable.

Yes. Before you order, call the specific partner draw site directly and confirm they handle pediatric collections — some sites have phlebotomists trained for pediatric draws, and some don't. A 30-second phone call saves the trip if they can't accommodate your child's age.

For toddlers or kids who've had difficult blood-draw experiences in the past, a pediatric phlebotomy clinic or children's hospital outpatient lab is usually the better choice — they have smaller needles, child life specialists, and staff specifically trained for pediatric draws. More expensive, but the experience is dramatically different. For older kids and teens, our minors panel works at most standard partner sites.

Browse panels for minors

Honest answer: our flow requires ordering online first, getting the requisition emailed, and then walking into a partner draw site. That extra step takes about 10 minutes — and saves you hundreds of dollars.

And our results are as fast as anyone's. Our published turnaround is 48–72 hours, but most results come back within 24 hours — we under-promise so we don't miss. Walk-in clinics (MinuteClinic, urgent care, Any Lab Test Now, Concentra) use the same two national reference labs we do. Their turnaround is identical to ours; they just charge 1.5–3× more for the walk-in convenience.

Unless you need a needle in your arm in the next hour and can't spare 10 minutes to check email, ordering online and walking into a local draw site is the better path.

Order online · draw same-day locally

No. If you or your child is enrolled in Medicaid or CHIP, vaccines required for school are covered completely free through the federal Vaccines for Children (VFC) program at participating providers. That's a better starting point than buying titers from anyone.

Titers come in only if (a) vaccination records are lost and re-vaccination through VFC isn't a viable option, or (b) the program is a healthcare clinical program that requires quantitative proof of immunity rather than vaccine records. In those cases, our cash pricing is competitive — but check VFC first.

Not by ourselves. The USCIS Form I-693 immigration medical exam must be performed and signed by a designated civil surgeon — a specific MD certified by USCIS. We can't sign the form.

What our Immigration Titer Panel does do well: provide the underlying lab data your civil surgeon needs (MMR, varicella, Hep B titers + TB blood test) at a fraction of what the civil surgeon's office typically charges for the same labs. Many applicants order our panel first, then bring the results to a civil surgeon for the exam and signature. This often saves $200–$400 versus letting the civil surgeon run everything in-house.

Order Immigration Panel from $299.99

Most schools and clinical programs will accept either, but it's worth checking your specific program's checklist before you order. Some hospital-affiliated clinical sites now require the blood test only.

If you have a choice, the QuantiFERON-TB Gold blood test is usually the easier path. It's a single blood draw with results in a few days. The PPD skin test requires two visits — one to place the test, another 48 to 72 hours later to read it. And if your program asks for the "2-step" PPD, that's four visits spread over a week or two.

The blood test also avoids false positives in people who received the BCG vaccine as children, which the skin test cannot.

QuantiFERON TB Gold $137

It might, and that's a real problem. The BCG vaccine — commonly given to children outside the U.S. to prevent severe forms of TB — can leave behind an immune memory that triggers a positive PPD skin test years or even decades later. This often sends people through unnecessary chest X-rays and follow-up appointments to rule out infection they don't actually have.

The QuantiFERON-TB Gold blood test was specifically designed to work around this. It uses TB-specific markers that the BCG vaccine doesn't mimic, so a positive result reflects actual TB exposure rather than a vaccine response. The CDC and most clinical programs recommend the blood test for anyone with a history of BCG vaccination.

QuantiFERON TB Gold $137

Most likely not active disease, no. Take a breath.

If you have symptoms — a persistent cough lasting more than three weeks, coughing up blood, unexplained weight loss, night sweats, or fever — seek medical care right away. This page is a screening and education resource only. We can't diagnose or treat TB, and active symptoms need an in-person evaluation, not a website.

A positive TB test — skin or blood — means your immune system has encountered TB bacteria at some point in your life. It does not mean the bacteria are active in your body right now, and it does not mean you're contagious.

The standard next step is a chest X-ray to look for any signs of active disease in your lungs. If the X-ray is clear and you don't have symptoms like a persistent cough, unexplained weight loss, fever, or night sweats, you most likely have what's called latent TB infection — meaning the bacteria are present but dormant.

Before paying for a chest X-ray, check with your local health department first. Many county and city health departments provide follow-up TB evaluations — including chest X-rays — at no cost when you've had a positive test result. They're set up exactly for this situation, and it's a tax-funded service most people don't know they can use. Search "[your county] health department TB clinic" or call your state's TB program for referral.

If your local options don't work out, we do offer a chest X-ray for TB clearance ($189) — but the health department is worth a phone call first.

From there, you'll have a conversation with a doctor about whether preventive treatment makes sense for you. For most people, especially those going into healthcare, treating latent TB is recommended. Once you've been positive once, you generally don't need to repeat the test in future years — your school or employer will switch you to annual symptom screening instead.

Read the full step-by-step guide

For most healthcare programs and clinical sites, your TB test needs to be within the past 12 months of your start date — and then repeated every year you're in the program. Some programs are stricter and require testing within 90 days of your clinical start.

For K–12 or general college enrollment, a TB screen is often accepted for longer if you don't have a known exposure between tests.

One practical note: don't test too early. If you order your TB test six months before clinicals begin, you may end up needing to repeat it before you start. Try to time your test to land comfortably inside whatever window your program allows.

If your program requires the skin test, most healthcare programs want a 2-step PPD for your initial baseline, then a 1-step PPD for annual testing after that.

The reason is a phenomenon called "boosting." In people who were exposed to TB years ago, the first skin test can come back negative because the immune memory has faded. A second test placed one to three weeks later wakes up that memory and gives the true result. Without the 2-step approach, a future annual test could look like a fresh new infection when it's actually a long-standing one.

The 2-step PPD typically means four visits spread over one to three weeks. The QuantiFERON blood test skips this protocol entirely — one draw, one result, no boosting needed.

Yes — and most people do. QuantiFERON-TB Gold, MMR, Varicella, and Hepatitis B titers can all be collected from a single blood draw at the same visit. One needle, one trip, all of your clinical compliance documentation handled at once.

If your program requires the full set, the Immunity Panel + TB bundle is the most efficient option at $268 — it covers nursing, medical, dental, PA, and most allied-health program requirements in one appointment.

Panel + TB Combo $268

It depends on what you already know about your immunity. If you have written documentation of two MMR vaccine doses, you're generally considered protected and a titer isn't necessary. If your records are missing or you're not sure, a quantitative MMR titer is a straightforward way to find out where you stand — results in a few days.

One important caveat on timing: if you've already had a likely exposure and you're not sure about your immunity, don't wait on titer results before acting. Contact your healthcare provider or local health department right away. An MMR vaccine given within 72 hours of exposure, or immunoglobulin within 6 days, can help prevent illness — but those windows close quickly. A titer is the right tool for before an exposure, not as an emergency response.

For routine immunity verification — for travel, school, healthcare work, or just peace of mind during the current outbreaks — a titer is exactly what you want.

Check MMR Immunity $79

You have a few options, and they're roughly equivalent in effort:

1. Look for records first. Try your childhood pediatrician's office, your state's immunization registry (most states maintain one), your high school or college student health office, military or employer health records, or pharmacies that may have administered an MMR booster. A documented vaccination record is the simplest answer in most situations.
2. Order a quantitative MMR titer. A single blood draw measures your current antibody levels for measles, mumps, and rubella. A positive result is accepted as proof of immunity by virtually all schools, clinical programs, and employers — often even more readily than a decades-old paper card.
3. If both come up empty, get vaccinated. There is no harm in receiving an MMR vaccine even if you may already be immune. For some people, this is the simplest path.

Order MMR Titer $79

For most everyday purposes, yes. The CDC considers people born before 1957 to have presumptive immunity to measles — the assumption being that nearly everyone in that age cohort was exposed to measles naturally, since widespread vaccination didn't begin until the late 1960s.

There's one significant exception worth knowing about: healthcare personnel. Hospitals, nursing programs, and other clinical settings generally do not accept "born before 1957" as sufficient evidence of immunity for someone who will work directly with patients. They want documented vaccination records or laboratory evidence — meaning a positive titer.

If you're an older career-changer entering nursing school, medical school, or a clinical role, plan on getting a titer regardless of your birth year. The same applies if you're traveling internationally during an outbreak, or if you live with someone whose immune system is compromised — in those situations, documented evidence is more reassuring than presumption.

For most adults, no. The CDC does not recommend a third MMR dose during outbreaks. If you have documented evidence of immunity — two MMR doses, a positive titer, or birth before 1957 (with the healthcare-worker caveat above) — you're considered protected.

The more useful question is whether you can document that immunity, because verbal recall of a childhood shot doesn't count for most school or work requirements. If you can't find written proof, you have two reasonable paths:

• Order a quantitative MMR titer to confirm immunity from past vaccination.
• Or simply get an MMR dose now. There's no harm in vaccinating someone who may already be immune, and it settles the question permanently.

The groups for whom two documented doses (or equivalent titer evidence) matter most: healthcare personnel, college students, international travelers, and people who live with immunocompromised family members.

MMR Titer $79

Reasonable question, and the answer depends on what you already know.

If you have documentation of two MMR vaccine doses from your childhood or young-adult records, you're generally considered immune and further testing isn't necessary. If you can't find records, you were vaccinated abroad on a different schedule, or you're old enough that memory doesn't reliably cover it, a quantitative MMR titer is a reasonable and inexpensive way to confirm where you stand.

The groups asking this question most right now, according to CDC and state health department outreach ahead of the 2026–27 school year:

• Adults with lost childhood records who want peace of mind before their kids return to school.
• Parents of unvaccinated or partially-vaccinated children checking their own immunity in case of household exposure.
• International travelers heading to countries with active outbreaks, or to U.S. states with elevated case counts.
• People living with immunocompromised family members where documented immunity matters more than presumption.
• Adults born after 1957 who received only a single MMR dose as a child — two doses became standard practice in the late 1980s.

The CDC continues to report elevated national case counts throughout 2026, with activity concentrated in a handful of states. Local health department pages remain the fastest source for county-level exposure notices. For the full walkthrough — including how to find lost records, what to do if you've had a likely exposure, and how to handle a negative titer — read our complete guide to checking measles immunity.

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For most programs, no. The standard for adults documenting immunity is either two documented MMR doses or a positive quantitative MMR titer — that's what schools and clinical sites accept.

Two situations can create a "three doses" number in your record without changing the underlying standard:

1. During active outbreaks, some local health departments offer an extra MMR dose to specific groups in affected counties as an outbreak-response measure. That's not a new permanent requirement.
2. If your titer comes back negative after a childhood dose, the standard next step is a booster, then a re-titer 4–6 weeks later, then a second booster if needed. That can add up to three lifetime doses, but it's the well-established negative-titer protocol.

Check with your specific program on what they require. If they ask for two documented doses or a positive quantitative titer, a single blood draw settles it. Whatever paperwork they hand you, we'll help you meet it.

Order MMR Titer $79