Verbatim response from ChatGPT
Good plan — yearly blood testing is a simple way to monitor health trends and catch problems early. The exact tests you need depend on your age, sex, family history, medications, and symptoms, so use the list below as a solid general “annual” panel and then discuss additions or changes with your primary care clinician.
Core annual blood tests (good for most adults)
- Complete blood count (CBC) — screens for anemia, infection, and some blood disorders.
- Comprehensive metabolic panel (CMP) — includes electrolytes, kidney function (creatinine, BUN), and liver enzymes; shows metabolic and organ-health status.
- Lipid panel (total cholesterol, LDL, HDL, triglycerides) — cardiovascular risk assessment. (Fasting 8–12 hours is often recommended; some clinicians accept nonfasting.)
- Hemoglobin A1c (A1c) — average blood glucose over ~3 months; screens for prediabetes/diabetes. You can substitute or add fasting glucose if preferred.
- Thyroid-stimulating hormone (TSH) — screens for hypo- or hyperthyroidism; especially important for women and older adults.
- 25-hydroxy vitamin D — common deficiency that affects bone, immune and metabolic health.
- Basic iron studies (ferritin ± serum iron/TIBC) — screens for iron deficiency or overload if you have symptoms or risk factors.
- Vitamin B12 — important if you’re older, vegetarian/vegan, or on metformin or acid-reducing meds.
- High-sensitivity C‑reactive protein (hs-CRP) — a general marker of inflammation and cardiovascular risk (useful as context with lipids).
Additional tests to consider (based on age, sex, risk factors, meds)
- PSA (prostate-specific antigen) — men: discuss with your doctor. Screening is individualized; common starting ages are 45–50 depending on risk.
- Sex-specific hormone testing — testosterone in men if symptomatic; estradiol / FSH / LH for women approaching menopause or with irregular cycles.
- Hepatitis B and C, and HIV screening — recommended at least once for many adults and more often if risk factors.
- Ferritin + transferrin saturation — more complete iron workup if symptoms of anemia or overload/hemochromatosis risk.
- INR/PTT — if you take anticoagulants.
- Fasting insulin or oral glucose tolerance test — if you have strong risk factors for insulin resistance or suspected reactive hypoglycemia.
- Autoimmune or specialized tests (ANA, rheumatoid factor, etc.) — only if symptoms suggest.
- Sexually transmitted infection testing (Chlamydia/Gonorrhea syphilis) — if indicated; not always blood-based.
- Nutrient panel additions (magnesium, folate) — on a case-by-case basis.
Frequency and practical tips
- Many healthy adults can do the core panel annually. If you have chronic conditions (diabetes, thyroid disease, on statins or anticoagulants), testing frequency may be quarterly or semiannual — follow your clinician’s plan.
- Fast 8–12 hours for lipid panels and fasting glucose as instructed. 25-OH vitamin D and B12 don’t require fasting.
- Track trends year-to-year — a single abnormal result is less informative than patterns. Save results or use a patient portal.
Where to get tests (brands/services)
- Quest Diagnostics or Labcorp — nationwide phlebotomy networks, accept physician orders and most insurance; good for comprehensive venous-draw testing.
- Your primary care clinic or health system lab — often the best for coordinating care and insurance coverage.
- Direct-to-consumer/home-collection options: Everlywell or LetsGetChecked — convenient for finger-prick tests (A1c, lipids, vitamin D, thyroid screens). Good for convenience but limited panels and some tests require venous blood.
- Personalized services: InsideTracker or WellnessFX — combine blood testing with coaching and deeper interpretation for a fee; good if you want extra explanation and lifestyle guidance.
Important caveats
- This is general guidance — personalize with your clinician based on age, medical history, family history, medications, or symptoms.
- Some tests are controversial or not recommended for routine screening (e.g., routine PSA without discussion, broad autoimmune panels without symptoms). Always review pros/cons with your doctor.
- If you want, tell me your age, sex, medical conditions, medications, and family history and I’ll give a more tailored list and suggested frequency.