Feature	Labcorp OnDemand	Function Health
Lab Locations	Labcorp network	2000+ Quest
Key Features	À la carte testing, fast results (1-2 days)	Cancer markers, autoimmune panel (ANA), advanced lipids (ApoB), heavy metals (lead), Omega-3, clinician review
Notes	A la carte self-pay testing, no doctor visit needed. Comprehensive Health Test $169 covers ~52 markers (CMP, CBC, urinalysis, lipids, HbA1c); $338 reflects two per year. Panel lineup: Standard $99, Comprehensive $169, Men's/Women's Health $219, Expanded $601-$651, Marker genetic panel $499, Micronutrient $485. Basic screens from $29. Individual tests $29-$689. Welcome10 code for 10% off first test verified active.	$365/year, single membership tier (reduced from $499; Function announced the $365 price directly). 160+ lab tests 2x/year plus on-demand testing. GRAIL cancer screening, MRI/CT scans, Alzheimer's testing, mold reactivity as add-ons. HSA/FSA eligible.

Biomarker Coverage Comparison

Tests in Common

Only in Labcorp OnDemand

Only in Function Health

Tests Only in Labcorp OnDemand

Phosphorus(Electrolytes & Minerals)
Anion Gap(Electrolytes & Minerals)

Tests Only in Function Health

VLDL Cholesterol(Lipid Panel / Cardiovascular Health)
Lipoprotein (a)(Lipid Panel / Cardiovascular Health)
LDL Particle Number(Lipid Panel / Cardiovascular Health)
LDL Particle Size(Lipid Panel / Cardiovascular Health)
GGT (Gamma-Glutamyl Transferase)(Liver Function)
Globulin(Liver Function)
BUN/Creatinine Ratio(Kidney Function)
Magnesium(Electrolytes & Minerals)
Free T3 (Triiodothyronine)(Thyroid Function)
TPO Antibodies (Thyroid Peroxidase)(Thyroid Function)
Thyroglobulin Antibodies(Thyroid Function)
Iodine(Thyroid Function)

54 more

Selenium(Thyroid Function)
Total Testosterone(Sex Hormones (Male))
Free Testosterone(Sex Hormones (Male))
SHBG (Sex Hormone Binding Globulin)(Sex Hormones (Male))
PSA (Prostate Specific Antigen)(Sex Hormones (Male))
DHEA-S(Sex Hormones (Male))
Estradiol (E2)(Sex Hormones (Female))
Progesterone(Sex Hormones (Female))
FSH (Follicle Stimulating Hormone)(Sex Hormones (Female))
LH (Luteinizing Hormone)(Sex Hormones (Female))
Prolactin(Sex Hormones (Female))
AMH (Anti-Mullerian Hormone)(Sex Hormones (Female))
ESR (Erythrocyte Sedimentation Rate)(Inflammation & Immune Markers)
Homocysteine(Inflammation & Immune Markers)
Vitamin B12(Vitamins & Nutrients)
Folate(Vitamins & Nutrients)
Ferritin(Vitamins & Nutrients)
Iron (Serum)(Vitamins & Nutrients)
TIBC (Total Iron Binding Capacity)(Vitamins & Nutrients)
Cortisol(Stress & Adrenal Function)
Omega-3 Index / Fatty Acids(Advanced / Specialty Markers)
Heavy Metals - Lead(Advanced / Specialty Markers)
Heavy Metals - Mercury(Advanced / Specialty Markers)
Creatine Kinase(Advanced / Specialty Markers)
IGF-1 (Insulin-like Growth Factor)(Advanced / Specialty Markers)
HOMA-IR (Insulin Resistance)(Advanced / Specialty Markers)
ANA Screen (Antinuclear Antibodies)(Autoimmune Markers)
ANA Titer(Autoimmune Markers)
ANA Pattern(Autoimmune Markers)
Rheumatoid Factor (RF)(Autoimmune Markers)
Celiac Disease Panel (Comprehensive)(Autoimmune Markers)
CEA (Carcinoembryonic Antigen)(Cancer Screening Markers)
CA-125 (Ovarian Cancer)(Cancer Screening Markers)
CA 19-9 (Pancreatic/GI Cancer)(Cancer Screening Markers)
AFP (Alpha-Fetoprotein - Liver Cancer)(Cancer Screening Markers)
Neutrophil/Lymphocyte Ratio(Additional Specialized Tests)
HDL Subfractions (Large/Small)(Additional Specialized Tests)
Transferrin Saturation(Additional Specialized Tests)
Cystatin C(Kidney Function)
Reverse T3(Thyroid Function)
Pregnenolone(Sex Hormones (Male))
Mean Platelet Volume (MPV)(Complete Blood Count (CBC))
Zinc(Electrolytes & Minerals)
Copper(Electrolytes & Minerals)
Oxidized LDL (OxLDL)(Lipid Panel / Cardiovascular Health)
Fibrinogen(Inflammation & Immune Markers)
Lipase(Liver Function)
PTH (Parathyroid Hormone)(Electrolytes & Minerals)
Osteocalcin(Advanced / Specialty Markers)
Leptin(Advanced / Specialty Markers)
Adiponectin(Advanced / Specialty Markers)
C-Peptide(Metabolic Health / Glucose)
Immature Granulocytes(Complete Blood Count (CBC))
Apolipoprotein A1 (ApoA1)(Lipid Panel / Cardiovascular Health)

Full biomarker tableall 107 markers, side by side

Biomarker	Labcorp OnDemand	Function Health
Complete Blood Count (CBC)
Hemoglobin	✓	✓
Hematocrit	✓	✓
Red Blood Cell Count (RBC)	✓	✓
White Blood Cell Count (WBC)	✓	✓
Platelet Count	✓	✓
MCV, MCH, MCHC	✓	✓
RDW (Red Cell Distribution Width)	✓	✓
Mean Platelet Volume (MPV)	—	✓
Immature Granulocytes	—	✓
Neutrophils	✓	✓
Lymphocytes	✓	✓
Monocytes	✓	✓
Eosinophils	✓	✓
Basophils	✓	✓
Lipid Panel / Cardiovascular Health
Total Cholesterol	✓	✓
LDL Cholesterol	✓	✓
HDL Cholesterol	✓	✓
Triglycerides	✓	✓
VLDL Cholesterol	—	✓
Apolipoprotein B (ApoB)	✓	✓
Lipoprotein (a)	—	✓
LDL Particle Number	—	✓
LDL Particle Size	—	✓
Oxidized LDL (OxLDL)	—	✓
Apolipoprotein A1 (ApoA1)	—	✓
Metabolic Health / Glucose
Fasting Glucose	✓	✓
Hemoglobin A1c (HbA1c)	✓	✓
Insulin	✓	✓
Uric Acid	✓	✓
C-Peptide	—	✓
Liver Function
ALT (Alanine Aminotransferase)	✓	✓
AST (Aspartate Aminotransferase)	✓	✓
ALP (Alkaline Phosphatase)	✓	✓
GGT (Gamma-Glutamyl Transferase)	—	✓
Bilirubin (Total)	✓	✓
Albumin	✓	✓
Total Protein	✓	✓
Globulin	—	✓
Lipase	—	✓
Kidney Function
Creatinine	✓	✓
BUN (Blood Urea Nitrogen)	✓	✓
eGFR (Estimated Glomerular Filtration Rate)	✓	✓
BUN/Creatinine Ratio	—	✓
Cystatin C	—	✓
Electrolytes & Minerals
Sodium	✓	✓
Potassium	✓	✓
Chloride	✓	✓
Carbon Dioxide (CO2)	✓	✓
Calcium	✓	✓
Magnesium	—	✓
Zinc	—	✓
Copper	—	✓
Phosphorus	✓	—
PTH (Parathyroid Hormone)	—	✓
Anion Gap	✓	—
Thyroid Function
TSH (Thyroid Stimulating Hormone)	✓	✓
Free T4 (Thyroxine)	✓	✓
Free T3 (Triiodothyronine)	—	✓
TPO Antibodies (Thyroid Peroxidase)	—	✓
Thyroglobulin Antibodies	—	✓
Iodine	—	✓
Selenium	—	✓
Reverse T3	—	✓
Sex Hormones (Male)
Total Testosterone	—	✓
Free Testosterone	—	✓
SHBG (Sex Hormone Binding Globulin)	—	✓
PSA (Prostate Specific Antigen)	—	✓
DHEA-S	—	✓
Pregnenolone	—	✓
Sex Hormones (Female)
Estradiol (E2)	—	✓
Progesterone	—	✓
FSH (Follicle Stimulating Hormone)	—	✓
LH (Luteinizing Hormone)	—	✓
Prolactin	—	✓
AMH (Anti-Mullerian Hormone)	—	✓
Inflammation & Immune Markers
hs-CRP (High Sensitivity C-Reactive Protein)	✓	✓
ESR (Erythrocyte Sedimentation Rate)	—	✓
Homocysteine	—	✓
Fibrinogen	—	✓
Vitamins & Nutrients
Vitamin D (25-Hydroxy)	✓	✓
Vitamin B12	—	✓
Folate	—	✓
Ferritin	—	✓
Iron (Serum)	—	✓
TIBC (Total Iron Binding Capacity)	—	✓
Stress & Adrenal Function
Cortisol	—	✓
Advanced / Specialty Markers
Omega-3 Index / Fatty Acids	—	✓
Heavy Metals - Lead	—	✓
Heavy Metals - Mercury	—	✓
Creatine Kinase	—	✓
IGF-1 (Insulin-like Growth Factor)	—	✓
HOMA-IR (Insulin Resistance)	—	✓
Osteocalcin	—	✓
Leptin	—	✓
Adiponectin	—	✓
Autoimmune Markers
ANA Screen (Antinuclear Antibodies)	—	✓
ANA Titer	—	✓
ANA Pattern	—	✓
Rheumatoid Factor (RF)	—	✓
Celiac Disease Panel (Comprehensive)	—	✓
Cancer Screening Markers
CEA (Carcinoembryonic Antigen)	—	✓
CA-125 (Ovarian Cancer)	—	✓
CA 19-9 (Pancreatic/GI Cancer)	—	✓
AFP (Alpha-Fetoprotein - Liver Cancer)	—	✓
Additional Specialized Tests
Neutrophil/Lymphocyte Ratio	—	✓
HDL Subfractions (Large/Small)	—	✓
Transferrin Saturation	—	✓
Urinalysis
Pancreas & Digestive

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Frequently Asked Questions

Which is cheaper, Labcorp OnDemand or Function Health?

Labcorp OnDemand is cheaper at $338/year, compared with $365/year for Function Health.

How much do Labcorp OnDemand and Function Health cost per year?

Labcorp OnDemand costs $338/year for 2 tests ($169 per test). Function Health costs $365/year for 2 tests ($182 per test).

Which tests more biomarkers, Labcorp OnDemand or Function Health?

Function Health lists more biomarkers: 160+, compared with 50+ for Labcorp OnDemand. Of the markers in our database, 39 are in both panels.

Which gives more biomarkers per dollar, Labcorp OnDemand or Function Health?

Function Health gives more biomarkers per dollar: 43.8 per $100 of annual cost, compared with 14.8 for Labcorp OnDemand. Count alone does not decide it; check whether the markers you need are included.

What does Labcorp OnDemand test that Function Health doesn't?

2 markers in our database are in Labcorp OnDemand's panel but not Function Health's, including Phosphorus, Anion Gap.

What does Function Health test that Labcorp OnDemand doesn't?

66 markers in our database are in Function Health's panel but not Labcorp OnDemand's, including VLDL Cholesterol, Lipoprotein (a), LDL Particle Number, and 63 more.

How many tests per year do Labcorp OnDemand and Function Health include?

Labcorp OnDemand includes 2 tests per year. Function Health includes 2 tests per year.

Where do Labcorp OnDemand and Function Health draw blood?

Labcorp OnDemand: Labcorp network. Function Health: 2000+ Quest.

Can I use insurance with Labcorp OnDemand or Function Health?

Both are direct-to-consumer services paid out of pocket. Some buyers pay with HSA/FSA funds or submit receipts for out-of-network reimbursement; check with your plan and the provider.

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Labcorp OnDemand vs Function Health

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