Great question — getting a consistent, annual set of blood tests is one of the best ways to monitor your overall health and catch problems early. Below I list a practical “core” panel most adults should consider each year, plus additional tests to add depending on age, sex, symptoms, or risk factors. I also name reputable lab providers and give quick practical tips. Important: use this as a general guide — exact tests and frequency should be tailored to your age, medical history, medications, and risk factors. Review results with your primary care provider. Core annual blood tests (good for most adults) Complete Blood Count (CBC) with differential — screens for anemia, infection, many blood disorders. Comprehensive Metabolic Panel (CMP) or Basic Metabolic Panel (BMP) — measures electrolytes, kidney function (creatinine, BUN, eGFR), liver enzymes (AST/ALT), glucose, and protein/albumin. Lipid panel (total cholesterol, LDL, HDL, triglycerides) — cardiovascular risk assessment. Hemoglobin A1c (and/or fasting glucose) — screens for diabetes or prediabetes (A1c does not require fasting). Thyroid Stimulating Hormone (TSH) ± free T4 — screens for hypo- or hyperthyroidism. 25-hydroxy Vitamin D — low vitamin D is common and affects bone and general health. Vitamin B12 (and folate if indicated) — detects deficiency that can cause fatigue, neuropathy, cognitive issues. High-sensitivity C‑reactive protein (hs‑CRP) — nonspecific marker of inflammation and cardiovascular risk. Additional tests to consider depending on age/risk/symptoms Ferritin and iron studies (iron/TIBC) — if fatigue, heavy menstrual bleeding, or anemia on CBC. Hepatitis B & C screening and HIV Ag/Ab — at least once in adulthood and repeat based on risk/exposure. PSA (prostate-specific antigen) — men: discuss screening with your clinician starting around 50 (or 45 earlier for higher risk). Sex hormones: total/free testosterone (men with symptoms of low T), estradiol/FSH/LH (women with menopausal or menstrual concerns). Ferritin, magnesium, or other micronutrients — if symptoms or dietary risks. Ferritin is already listed — sorry for repeating; main micronutrients are Vit D, B12, iron. Ironically: ESR (erythrocyte sedimentation rate) — alternative inflammation marker if autoimmune disease suspected. Ferritin repeated? I’ll summarize: use ferritin/iron for anemia/risk. Advanced cardiovascular risk tests (selectively) Lipoprotein(a) and apolipoprotein B (ApoB) — help refine heart disease risk if family history or early heart disease. Homocysteine — sometimes used in stroke/vascular risk evaluation. Cancer/infection screens based on risk Colon cancer: fecal immunochemical test (FIT) or colonoscopy — not a blood test, but important screening. Screening for STIs as indicated (chlamydia, gonorrhea, syphilis) — not always blood-based but important. How often? Annual for the “core” panel is reasonable for most adults. Some tests (lipid panel, A1c) can be done less often (every 1–3 years) if consistently normal and low risk. Repeat sooner if abnormal or if you have risk factors. Where to get them (brands/services) Quest Diagnostics and LabCorp — largest national lab networks in the U.S.; reliable, accept physician orders and many employer/insurance plans. Your primary care clinic or local hospital lab — best for coordinated care and insurance billing. HealthLabs / Any Lab Test Now / DirectLabs — let you order many tests directly, usually out-of-pocket (convenient if you want independent testing). At‑home options (finger-prick or home kit): Everlywell, LetsGetChecked — convenient for screening tests (A1c, lipids, some hormones), but some tests are less accurate than venous draws and follow-up is required for abnormal results. Specialty testing / interpretation: Mayo Clinic Laboratories for complex panels and major academic centers for difficult cases. Practical tips Bring a list of current medications and supplements (some change lab values). Some tests require fasting (traditional fasting lipid panel, fasting glucose) — confirm with the lab/clinic. If you use direct-to-consumer labs, inform your PCP so results get into your medical record. If any abnormal results appear, follow up promptly; many abnormalities need repeat testing, imaging, or treatment. Sample “annual order” you can discuss with your clinician (core + commonly useful add-ons) CBC with diff CMP (or BMP) + fasting glucose Lipid panel Hemoglobin A1c TSH (+ free T4 if abnormal or symptomatic) 25‑OH Vitamin D Vitamin B12 Ferritin (iron studies if indicated) hs‑CRP Hepatitis C Ab & HIV Ag/Ab (based on risk) If you want, tell me your age, sex, current meds, major health issues, and family history and I’ll give a personalized list and which tests you might reasonably do yearly versus less often.
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