{"product_id":"igf-1-insulin-like-growth-factor-1","title":"IGF-I LC\/MS\/MS","description":"\u003ch2\u003eIGF-1 LC\/MS\/MS Blood Test\u003c\/h2\u003e\n\n\u003ch3\u003eInsulin-Like Growth Factor 1 Test for Growth Hormone and Pituitary Function Screening\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eIGF-1 LC\/MS\/MS Blood Test\u003c\/strong\u003e measures \u003cstrong\u003eInsulin-Like Growth Factor 1\u003c\/strong\u003e, also called \u003cstrong\u003eIGF-1\u003c\/strong\u003e or \u003cstrong\u003eSomatomedin C\u003c\/strong\u003e, in the blood.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  IGF-1 is produced mainly by the liver and other tissues in response to growth hormone, also called GH. Because IGF-1 levels are more stable throughout the day than growth hormone levels, IGF-1 is often used as an indirect marker of average growth hormone activity.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  This test may be useful when a healthcare provider wants to evaluate possible growth hormone deficiency, growth hormone excess, pituitary function, or provider-directed endocrine monitoring.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  This service provides access to lab testing only. It is intended as a \u003cstrong\u003escreening and monitoring tool\u003c\/strong\u003e and does not diagnose, treat, or replace care from a licensed healthcare provider.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  ✔ \u003cstrong\u003eMeasures IGF-1, also called Insulin-Like Growth Factor 1\u003c\/strong\u003e\u003cbr\u003e\n  ✔ \u003cstrong\u003eLC\/MS\/MS testing method\u003c\/strong\u003e\u003cbr\u003e\n  ✔ \u003cstrong\u003eMay support growth hormone and pituitary evaluation\u003c\/strong\u003e\u003cbr\u003e\n  ✔ \u003cstrong\u003eDoctor's order included\u003c\/strong\u003e\u003cbr\u003e\n  ✔ \u003cstrong\u003eNo insurance required\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\u003cp class=\"st-turnaround\" style=\"font-size:13px;color:#1f6b38;margin:10px 0 0;\"\u003e⏱ Typical turnaround: results are usually emailed in 1–3 days.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Test Measures\u003c\/h2\u003e\n\n\u003ch3\u003eInsulin-Like Growth Factor 1\u003c\/h3\u003e\n\n\u003cp\u003e\n  This blood test measures \u003cstrong\u003eIGF-1\u003c\/strong\u003e, a hormone-like protein involved in growth, metabolism, tissue maintenance, and bone health.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest name:\u003c\/strong\u003e IGF-1 LC\/MS\/MS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlso known as:\u003c\/strong\u003e Insulin-Like Growth Factor 1, Somatomedin C, IGF-I\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSample type:\u003c\/strong\u003e Blood\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Growth hormone and pituitary function screening\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon use:\u003c\/strong\u003e Provider-directed endocrine evaluation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Order an IGF-1 Test?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrowth hormone deficiency evaluation\u003c\/strong\u003e - IGF-1 may be low when growth hormone activity is reduced.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrowth hormone excess evaluation\u003c\/strong\u003e - IGF-1 may be elevated in conditions associated with excess growth hormone activity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePituitary function review\u003c\/strong\u003e - May be ordered with other pituitary hormone tests.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFollow-up to abnormal hormone results\u003c\/strong\u003e - May help support a broader endocrine evaluation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrowth or development concerns\u003c\/strong\u003e - May be used when a provider is evaluating growth-related concerns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProvider-directed monitoring\u003c\/strong\u003e - Useful when your healthcare provider specifically requests IGF-1 testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho May Consider This Test?\u003c\/h2\u003e\n\n\u003cp\u003e\n  This test may be appropriate for:\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIndividuals whose healthcare provider requested an IGF-1 blood test\u003c\/li\u003e\n  \u003cli\u003ePeople being evaluated for possible growth hormone deficiency\u003c\/li\u003e\n  \u003cli\u003ePeople being evaluated for possible growth hormone excess\u003c\/li\u003e\n  \u003cli\u003ePatients undergoing pituitary function evaluation\u003c\/li\u003e\n  \u003cli\u003eIndividuals being monitored for endocrine or growth hormone-related conditions\u003c\/li\u003e\n  \u003cli\u003eCustomers who want doctor-ordered IGF-1 testing without using insurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eIGF-1 and Growth Hormone\u003c\/h2\u003e\n\n\u003cp\u003e\n  Growth hormone levels can change throughout the day, making direct growth hormone interpretation challenging in many situations.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  IGF-1 is more stable in the blood and can provide useful information about average growth hormone activity over time.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  IGF-1 is not usually interpreted by itself. Your provider may also order growth hormone stimulation or suppression testing, pituitary hormones, thyroid testing, prolactin, FSH, LH, cortisol, or imaging depending on your situation.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eAge and Sex Matter\u003c\/h2\u003e\n\n\u003cp\u003e\n  IGF-1 levels vary by age and sex. Levels are typically higher during puberty and tend to decline with age.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Your result should be interpreted using the appropriate reference range for your age and sex.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eImportant Biotin Warning\u003c\/h2\u003e\n\n\u003cp\u003e\n  If you take \u003cstrong\u003ebiotin\u003c\/strong\u003e, also known as vitamin B7, vitamin B8, vitamin H, or coenzyme R, ask your healthcare provider whether you should stop biotin before testing.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Biotin may interfere with certain hormone lab testing methods and could affect results.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eImportant Symptom Warning\u003c\/h2\u003e\n\n\u003cp\u003e\n  If you have severe headache, sudden vision changes, fainting, severe weakness, chest pain, shortness of breath, severe swelling, confusion, or any urgent medical concern, seek medical care promptly.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Do not use this IGF-1 test as a substitute for urgent medical evaluation, diagnosis, or treatment.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eImportant: Screening Only\u003c\/h2\u003e\n\n\u003cp\u003e\n  LabReqs and SchoolTiters provide access to lab testing. We do \u003cstrong\u003enot\u003c\/strong\u003e diagnose growth hormone deficiency, acromegaly, pituitary tumors, endocrine disease, growth disorders, or any medical condition.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Results should be reviewed with a licensed healthcare provider, endocrinologist, pediatric endocrinologist, or other qualified clinician.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eImportant Limitations\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eThis test does not diagnose a medical condition by itself.\u003c\/li\u003e\n  \u003cli\u003eIGF-1 results must be interpreted with age, sex, symptoms, nutrition status, medical history, and other hormone tests.\u003c\/li\u003e\n  \u003cli\u003eNormal IGF-1 does not rule out every growth hormone or pituitary disorder.\u003c\/li\u003e\n  \u003cli\u003eAbnormal IGF-1 may require repeat testing, growth hormone stimulation or suppression testing, or additional endocrine evaluation.\u003c\/li\u003e\n  \u003cli\u003eThis test does not include growth hormone, IGFBP-3, prolactin, cortisol, FSH, LH, thyroid testing, or imaging unless ordered separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConfirm whether your provider requested IGF-1 alone or additional pituitary hormone testing.\u003c\/li\u003e\n  \u003cli\u003eTell your provider about medications, supplements, hormone therapy, nutrition status, and medical history.\u003c\/li\u003e\n  \u003cli\u003eIf testing is for a child or adolescent, confirm whether the provider needs pediatric reference interpretation or Z-score reporting.\u003c\/li\u003e\n  \u003cli\u003eIf you take biotin, ask whether to stop it before testing.\u003c\/li\u003e\n  \u003cli\u003eIf you are unsure whether IGF-1 testing is right for you, ask your healthcare provider before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\u003cstrong\u003eOrder online.\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive your lab order.\u003c\/strong\u003e A doctor's order is included.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eVisit a participating lab location.\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eComplete a simple blood draw.\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive your results.\u003c\/strong\u003e Result timing may vary by lab, location, and processing requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose This Test?\u003c\/h2\u003e\n\n\u003cp\u003e\n  ✅ \u003cstrong\u003eMeasures IGF-1, also called Somatomedin C\u003c\/strong\u003e\u003cbr\u003e\n  ✅ \u003cstrong\u003eUseful for provider-directed growth hormone and pituitary evaluation\u003c\/strong\u003e\u003cbr\u003e\n  ✅ \u003cstrong\u003eLC\/MS\/MS testing method\u003c\/strong\u003e\u003cbr\u003e\n  ✅ \u003cstrong\u003eDoctor's order included\u003c\/strong\u003e\u003cbr\u003e\n  ✅ \u003cstrong\u003eNo insurance needed\u003c\/strong\u003e\u003cbr\u003e\n  ✅ \u003cstrong\u003eConvenient online ordering\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat does IGF-1 measure?\u003c\/h3\u003e\n\u003cp\u003e\n  IGF-1 measures Insulin-Like Growth Factor 1, a hormone-like protein regulated mainly by growth hormone and nutrition.\n\u003c\/p\u003e\n\n\u003ch3\u003eIs IGF-1 the same as growth hormone?\u003c\/h3\u003e\n\u003cp\u003e\n  No. IGF-1 is not growth hormone. It is produced in response to growth hormone and is often used as an indirect marker of growth hormone activity.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhy would my provider order IGF-1?\u003c\/h3\u003e\n\u003cp\u003e\n  Your provider may order IGF-1 to help evaluate possible growth hormone deficiency, growth hormone excess, pituitary function, or endocrine monitoring.\n\u003c\/p\u003e\n\n\u003ch3\u003eDoes this test diagnose growth hormone problems?\u003c\/h3\u003e\n\u003cp\u003e\n  No. IGF-1 provides lab information only. Diagnosis usually requires clinical evaluation and may require additional testing.\n\u003c\/p\u003e\n\n\u003ch3\u003eDo I need to fast?\u003c\/h3\u003e\n\u003cp\u003e\n  Fasting is usually not required unless your healthcare provider gives you different instructions.\n\u003c\/p\u003e\n\n\u003ch3\u003eDoes age affect IGF-1?\u003c\/h3\u003e\n\u003cp\u003e\n  Yes. IGF-1 levels vary significantly by age and sex, so results should be interpreted using the correct reference range.\n\u003c\/p\u003e\n\n\u003ch3\u003eIs a doctor's order included?\u003c\/h3\u003e\n\u003cp\u003e\n  Yes. A doctor's order is included with this lab test.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOrder Your IGF-1 LC\/MS\/MS Blood Test\u003c\/h2\u003e\n\n\u003cp\u003e\n  Use this test when you need IGF-1 testing for provider-directed growth hormone, pituitary, endocrine, growth-related, or metabolic evaluation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eOrder your IGF-1 LC\/MS\/MS Blood Test today.\u003c\/strong\u003e\n\u003c\/p\u003e","brand":"Lab","offers":[{"title":"Default Title","offer_id":18016968067,"sku":"","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1183\/0810\/files\/igf-1-insulin-like-growth-factor-1_primary_noline.png?v=1780211806","url":"https:\/\/www.schooltiters.com\/products\/igf-1-insulin-like-growth-factor-1","provider":"LabReqs.com","version":"1.0","type":"link"}