What’s included
Doctors across specialties carefully selected each test below to provide you with the broadest and deepest understanding of your ever-changing health. The following tests are included with your $499 Function annual membership.*
● — Indicates biomarkers that are tested twice per year. All others are tested once per year.
If you need to test more frequently, members can re-test any of our tests for an additional cost.
If you need to test more frequently, members can re-test any of our tests for an additional cost.
Heart
Lipoprotein (a)
Apolipoprotein B (Apo B)
Lipoprotein Fractionation
LDL Particle Number
LDL Small
LDL Medium
HDL Large
LDL Pattern
LDL Peak Size
Apolipoprotein B (Apo B)
Lipoprotein Fractionation
LDL Particle Number
LDL Small
LDL Medium
HDL Large
LDL Pattern
LDL Peak Size
Triglycerides ●
Total Cholesterol ●
LDL Cholesterol ●
HDL Cholesterol ●
Non-HDL Cholesterol ●
Cholesterol / HDL Ratio ●
High-Sensitivity C-Reactive Protein
(hsCRP)
Total Cholesterol ●
LDL Cholesterol ●
HDL Cholesterol ●
Non-HDL Cholesterol ●
Cholesterol / HDL Ratio ●
High-Sensitivity C-Reactive Protein
(hsCRP)
Thyroid
Thyroid-Stimulating Hormone (TSH)
Triiodothyronine (T3), Free
Thyroxine (T4), Free
Triiodothyronine (T3), Free
Thyroxine (T4), Free
Thyroglobulin Antibodies (TgAb)
Thyroid Peroxidase Antibodies (TPO)
Thyroid Peroxidase Antibodies (TPO)
Autoimmunity
Antinuclear Antibodies (ANA) Titer
Antinuclear Antibodies (ANA) Screen
Antinuclear Antibodies (ANA) Pattern
Antinuclear Antibodies (ANA) Screen
Antinuclear Antibodies (ANA) Pattern
Rheumatoid Factor (RF) (tested once)
Immune Regulation
High-Sensitivity C-Reactive Protein (hsCRP)
White Blood Cell (WBC) Count ●
Neutrophils (% and Absolute) ●
White Blood Cell (WBC) Count ●
Neutrophils (% and Absolute) ●
Lymphocytes (% and Absolute) ●
Monocytes (% and Absolute) ●
Eosinophils (% and Absolute) ●
Basophils (% and Absolute) ●
Monocytes (% and Absolute) ●
Eosinophils (% and Absolute) ●
Basophils (% and Absolute) ●
Female Health
Testosterone, Total
Testosterone, Free
Prolactin
Estradiol (E2)
DHEA-Sulfate
Testosterone, Free
Prolactin
Estradiol (E2)
DHEA-Sulfate
Follicle Stimulating Hormone (FSH)
Luteinizing Hormone (LH)
Sex Hormone Binding Globulin (SHBG)
Anti-Mullerian Hormone (AMH)
Luteinizing Hormone (LH)
Sex Hormone Binding Globulin (SHBG)
Anti-Mullerian Hormone (AMH)
Male Health
Prostate Specific Antigen (PSA) %, Free
Prostate Specific Antigen (PSA), Free
Prostate Specific Antigen (PSA), Total
Testosterone, Total
Testosterone, Free
Prostate Specific Antigen (PSA), Free
Prostate Specific Antigen (PSA), Total
Testosterone, Total
Testosterone, Free
Prolactin
Estradiol (E2)
DHEA-Sulfate
Follicle Stimulating Hormone (FSH)
Luteinizing Hormone (LH)
Sex Hormone Binding Globulin (SHBG)
Estradiol (E2)
DHEA-Sulfate
Follicle Stimulating Hormone (FSH)
Luteinizing Hormone (LH)
Sex Hormone Binding Globulin (SHBG)
Stress & Aging
Cortisol
DHEA Sulfate
Metabolic
Adiponectin
Leptin
Uric Acid
Leptin
Uric Acid
Glucose ●
Hemoglobin A1c (HbA1c) ●
Insulin ●
Hemoglobin A1c (HbA1c) ●
Insulin ●
Nutrients
Omega 6/Omega 3 Ratio
Omega 3 and 6: Arachidonic Acid/EPA Ratio
Omega 3 and 6: Arachidonic Acid
Omega 3 and 6: EPA
Omega 3 and 6: DHA
Omega 3 (EPA+DHA) Index
Omega Risk
Omega 3 and 6: Arachidonic Acid/EPA Ratio
Omega 3 and 6: Arachidonic Acid
Omega 3 and 6: EPA
Omega 3 and 6: DHA
Omega 3 (EPA+DHA) Index
Omega Risk
Methylmalonic Acid (MMA)
Vitamin D
Zinc
Magnesium
Iron
Iron Binding Capacity
Iron % Saturation
Ferritin
Homocysteine
Vitamin D
Zinc
Magnesium
Iron
Iron Binding Capacity
Iron % Saturation
Ferritin
Homocysteine
Liver
Gamma-glutamyl Transferase (GGT)
Total Protein ●
Albumin ●
Total Bilirubin ●
Total Protein ●
Albumin ●
Total Bilirubin ●
Aspartate Transaminase (AST) ●
Alanine Aminotransferase (ALT) ●
Alkaline Phosphatase (ALP) ●
Alanine Aminotransferase (ALT) ●
Alkaline Phosphatase (ALP) ●
Kidney
Albumin - Urine (Microalbumin)
Blood Urea Nitrogen (BUN) ●
Creatinine ●
BUN / Creatinine Ratio ●
Globulin ●
Blood Urea Nitrogen (BUN) ●
Creatinine ●
BUN / Creatinine Ratio ●
Globulin ●
Albumin / Globulin Ratio ●
Chloride ●
Calcium ●
Potassium ●
Sodium ●
Estimated Glomerular Filtration Rate (eGFR) ●
Chloride ●
Calcium ●
Potassium ●
Sodium ●
Estimated Glomerular Filtration Rate (eGFR) ●
Pancreas
Amylase
Lipase
Heavy Metals
Lead
Mercury
Electrolytes
Sodium ●
Calcium ●
Potassium ●
Calcium ●
Potassium ●
Chloride ●
Carbon Dioxide ●
Magnesium
Carbon Dioxide ●
Magnesium
Blood
ABO Group and Rhesus Factor (tested once)
Red Blood Cell (RBC) Count ●
Hemoglobin ●
Hematocrit ●
Mean Corpuscular Volume (MCV) ●
Red Blood Cell (RBC) Count ●
Hemoglobin ●
Hematocrit ●
Mean Corpuscular Volume (MCV) ●
Mean Corpuscular Hemoglobin Concentration (MCHC) ●
Mean Corpuscular Hemoglobin (MCH) ● Platelet Count ●
Red Cell Distribution Width (RDW) ●
Mean Platelet Volume (MPV) ●
Mean Corpuscular Hemoglobin (MCH) ● Platelet Count ●
Red Cell Distribution Width (RDW) ●
Mean Platelet Volume (MPV) ●
Urine
pH ●
Specific Gravity ●
Glucose ●
Protein ●
Bilirubin ●
Ketones ●
Appearance ●
White Blood Cell (WBC) ●
Red Blood Cell (RBC) ●
Nitrite ●
Specific Gravity ●
Glucose ●
Protein ●
Bilirubin ●
Ketones ●
Appearance ●
White Blood Cell (WBC) ●
Red Blood Cell (RBC) ●
Nitrite ●
Leukocytes ●
Occult Blood ●
Color ●
Bacteria ●
Hyaline Casts ●
Squamous Epithelial Cells ●
Albumin - Urine (Microalbumin)
Creatinine - Urine
Albumin/Creatinine Ratio - Urine
Occult Blood ●
Color ●
Bacteria ●
Hyaline Casts ●
Squamous Epithelial Cells ●
Albumin - Urine (Microalbumin)
Creatinine - Urine
Albumin/Creatinine Ratio - Urine
All lab tests included with Function membership, test availability and prices are subject to change.
Optional Add-on Tests
Cancer Detection
Multi-Cancer Detection Test,
Galleri by Grail
Galleri by Grail
Autoimmunity
Celiac Immunoglobulin A
Celiac Tissue Transglutaminase Ab
Celiac Gliadin (Deamidated) Ab (if applicable)
Celiac Endomysial Ab Scr (if applicable)
Celiac Endomysial Ab Titer (if applicable)
Celiac Tissue Transglutaminase Ab
Celiac Gliadin (Deamidated) Ab (if applicable)
Celiac Endomysial Ab Scr (if applicable)
Celiac Endomysial Ab Titer (if applicable)
Hormones
Growth Hormone (IGF-1)
Pregnancy (hCG)
Pregnancy (hCG)
Heavy Metals & Essential Minerals
Arsenic
Aluminum
Copper
Iodine
Selenium
Aluminum
Copper
Iodine
Selenium
Lyme
Lyme Antibody Screen
Lyme Antibody (IGG) (if applicable)
Lyme Antibody (IGM) (if applicable)
Lyme Antibody (IGG) (if applicable)
Lyme Antibody (IGM) (if applicable)
Alzheimer’s Risk
Apolipoprotein E (ApoE) Genotype
Allergies
Food Allergy Profile (IgE)
Almond | Cashew Nut | Clam | Codfish | Cow’s Milk | Crab | Egg White | Hazelnut | Lobster | Peanut | Salmon | Scallop | Sesame Seed | Shrimp | Soybean | Tuna | Walnut | Wheat
Almond | Cashew Nut | Clam | Codfish | Cow’s Milk | Crab | Egg White | Hazelnut | Lobster | Peanut | Salmon | Scallop | Sesame Seed | Shrimp | Soybean | Tuna | Walnut | Wheat
Indoor & Outdoor Allergy Profile (IgE)
Mold | Cat dander | Dog dander | House dust | Insect and venom | Storage mites | Select grasses, trees and weeds based on your region
Mold | Cat dander | Dog dander | House dust | Insect and venom | Storage mites | Select grasses, trees and weeds based on your region
Sexual Health
Chlamydia
Gonorrhea
Herpes Simplex Virus 1 and 2
HIV 1 & 2 Antigen-Antibody
RPR (Syphilis)
Trichomoniasis
Gonorrhea
Herpes Simplex Virus 1 and 2
HIV 1 & 2 Antigen-Antibody
RPR (Syphilis)
Trichomoniasis
These add-on tests are not included with membership, but available any time at an additional cost.