Testing Guides
Use LabTestLocations guides to understand preparation and results.
Allergy Panel Testing: What It Measures and How to Understand Results
Learn what an allergy panel tests for, how IgE and skin testing work, what results mean, and when testing is appropriate.
Read guideAutoimmune Testing and the ANA Test: A Complete Guide
Learn how antinuclear antibody (ANA) testing fits into autoimmune evaluation, what results mean, and when follow-up testing is appropriate.
Read guideBlood Test Guide: Purpose, Types, Preparation, and Reading Results
A factual guide to blood tests: what they measure, common types, how to prepare, what results can show, and how to read a lab report with your clinician.
Read guideCBC and Anemia: How the Complete Blood Count Helps Evaluate Low Red Blood Cells
Learn how the complete blood count (CBC) is used to evaluate anemia, including what hemoglobin, hematocrit, MCV, MCH, and RDW results can mean and when follow-up testing may be needed.
Read guideCardiac Markers: What Lab Tests Reveal About Heart Health
Learn what cardiac markers are, which blood tests measure them, how results are interpreted, and when testing is used in the evaluation of heart conditions.
Read guideDrug Testing: How It Works, Types, and What Results Mean
Learn how laboratory drug testing works, including specimen types, detection windows, confirmatory testing, and how to interpret results.
Read guideGlucose and A1C Testing: What the Numbers Mean
Learn how glucose and A1C tests differ, what the results measure, how screening and monitoring are used, and what factors can affect accuracy.
Read guideHormone Panel Testing: What It Measures and How to Understand Results
Learn what a hormone panel measures, why it is ordered, how to prepare, and how to interpret results from authoritative health sources.
Read guideInflammation Lab Testing: A Guide to ESR and Related Tests
An educational guide to laboratory tests used to evaluate inflammation, including the erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and how clinicians interpret these results.
Read guideIron and Anemia: A Guide to Lab Testing and Interpretation
Learn how iron studies, complete blood count, and related lab tests are used to evaluate anemia and distinguish iron deficiency from other causes.
Read guideKidney Function Lab Tests: A Complete Guide
Learn how kidney function is measured through laboratory tests such as BUN, creatinine, eGFR, and urine albumin, and what these results can tell you about kidney health.
Read guideLipid Panel: What This Heart Health Blood Test Measures
A lipid panel is a common blood test that measures cholesterol and triglycerides to help assess cardiovascular risk. Learn what each result means and how testing works.
Read guideLiver Function Testing: ALT, Bilirubin, and Other Key Lab Tests
Learn how liver function lab tests work, including ALT and bilirubin, what the results can indicate, and how to prepare for testing.
Read guideMetabolic Panel: What It Tests, Results, and How to Prepare
A metabolic panel is a common blood test that measures glucose, electrolytes, kidney function, and liver enzymes. Learn what each marker means, how to prepare, and how to read results.
Read guideSTD Panel Testing: What Tests Are Included and How to Understand Results
Learn what an STD panel includes, which infections are commonly screened, how samples are collected, and how to interpret results from a laboratory testing perspective.
Read guideThyroid Panel Testing: What the Tests Measure and How to Interpret Results
Learn what a thyroid panel measures, which tests it includes, how to prepare, and how to interpret TSH, T3, T4, and thyroid antibody results.
Read guideTumor Markers: What Lab Tests Can and Cannot Tell You
Learn what tumor markers are, how they are used in cancer care, their limitations, and what to expect from lab testing.
Read guideVitamin Panel Testing: What It Measures and How to Understand Results
Learn what a vitamin panel measures, which vitamins are commonly tested, how to prepare, and how to interpret results from a trusted health perspective.
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Order TestsReviewed by the LabTestLocations Editorial Team
The LabTestLocations editorial team reviews laboratory panels against published reference material before publication.