What's included
Get a continuous, deep-level picture of your health.
Annual Test
100+ lab tests
The Annual Test is the most comprehensive set of tests. Repeats annually. No hidden fees. No insurance involved.
Mid-Year Test
60+ lab tests
The Mid-Year Test is between yearly tests, often 3-6 months later. Compare with past results to monitor changes.
On-Demand Tests
Menu of advanced tests
Access to On-Demand Tests to focus on specific areas, or test everything again. Easy with transparent, competitive prices. Additional costs apply.
100+ tests yearly
The following 100+ biomarkers are included with your $499 Function annual membership.*
Heart
Apolipoprotein B (ApoB)
ApoB helps transport lipids throughout the bloodstream which is vital to the health of cardiovascular function. Along with other lipid tests ApoB is a powerful risk marker for cardiovascular disease.
HDL Cholesterol 2x
HDL is part of a comprehensive lipid panel, an essential risk assessment for heart disease. There are two types of cholesterol: high-density lipoprotein (HDL) and low-density lipoprotein (LDL). Think of the H as healthy, helpful, heart-supporting cholesterol that helps reduce plaque buildup.
High-Sensitivity C-Reactive Protein (hs-CRP) 2x
hs-CRP is revelatory in one's overall health as it relates to the risk of inflammation-related diseases. Chronic inflammation is linked to every major disease: heart disease (even before symptoms occur), type 2 diabetes, cancer, high blood pressure, Alzheimer’s, depression, all autoimmune diseases, and severe allergic reactions like asthma.
LDL Medium
Measures the amount of medium LDL particles in the blood. Elevated medium LDL levels are associated with an increased risk of atherosclerosis and cardiovascular disease.
LDL Pattern
Assesses the risk of cardiovascular disease based on cholesterol health, either Pattern A or Pattern B.
Total Cholesterol / HDL Ratio 2x
Measures the ratio of total cholesterol levels to high-density lipoprotein cholesterol (HDL).
HDL Large
Large HDL particles in the blood are protective; having a higher amount is beneficial because they help reduce the risk of cardiovascular disease.
LDL Cholesterol 2x
This test is a risk marker for cardiovascular diseases. LDL is responsible for carrying cholesterol to cells. However, despite its good intentions, LDL is known as the “bad” cholesterol because, when levels are too high, it can cause the formation of plaque buildup in the arteries.
LDL Particle Number
Measures the number of LDL particles, which are the carriers of cholesterol. Too many LDL particles can lead to plaque buildup in arteries, increasing the risk of heart disease and stroke.
LDL Peak Size
Refers to the most common or average size of LDL particles in your blood. This is important because smaller LDL particles are more likely to contribute to plaque buildup in arteries, increasing the risk of cardiovascular disease.
Add on
Add-on tests now include advanced imaging.
For an additional $499, you can access a 22-minute MRI. A scan that can help you detect signs of hundreds of diseases before symptoms show.
Mark Hyman, M.D
Founder of The Cleveland Clinic’s Center for Functional Medicine
Your Stack developed with top doctors.
Your Stack turns results into action items. Discover immediate steps tobest support your unique health, and witness the impact on your next setof results. Developed with top doctors and 1000s of hours of deepresearch.
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Take charge of your health starting with knowledge
What does a Function membership include?
What does a Function membership include?
For $499 per year, a Function membership gives you:
100+ lab tests at the start of each year—no hidden costs, no insurance required.
60+ follow-up tests at 3–6 months to track changes.
Insights from top doctors based on your results.
A written clinician summary to help you understand your data.
Access to re-test at transparent prices when needed.
Option to purchase additional tests, including Lyme, STDs, and allergies.
Access to groundbreaking tests, like the Galleri Multi-Cancer Early Detection test.
How were the tests included in Function membership selected?
A team of licensed clinicians across multiple specialties—including Function’s co-founder and Chief Medical Officer, Dr. Mark Hyman—curated these tests based on the latest scientific research. The focus? Root cause medicine, early disease detection, and long-term health impact. Every test is chosen to deliver actionable insights, giving you the data you need to take charge of your health before problems arise.
Can I use my HSA or FSA to pay for Function Health?
Function Health offers an integrated service that facilitates affordable, clinician-ordered laboratory testing with extensive biomarker analysis, detailed individual reporting, clinical review, and health monitoring. These services support diagnosis, prevention, mitigation, and ongoing health management, which may qualify for reimbursement under a Health Savings Account (HSA) or Flexible Spending Account (FSA), but eligibility is determined by IRS rules and your plan administrator. *Function Health does not provide tax, legal, or financial advice. HSA/FSA eligibility is determined by the IRS and your plan administrator. Please consult your provider or administrator for definitive guidance.
Take charge of your health starting with knowledge
Function includes over 100 biomarkers to give you the complete picture of your health.
