# Function Health referral codes > 0 working Function Health referral codes shared by Code Load members, as of October 2026. Offer: $25 Off at FunctionHealth.com. Source: https://codeload.com/for/function-health Membership-based health testing platform that gives users access to 160+ lab tests, tracks results over time, and provides clinician-reviewed insights and personalized recommendations in one dashboard. It is designed to help people get a broader picture of their health without relying on traditional insurance-based care, with testing available through third-party lab partners nationwide. ## Codes No working codes are listed right now. ## How to use a code 1. Copy a code from the list above. 2. Go to Function Health (https://www.functionhealth.com/) and sign up as a new customer. 3. Enter the code where Function Health asks for a referral or promo code. Offer details: Terms & Conditions Apply. New Customers Only. Codes may have limited uses; if one doesn't work, try another. Code Load is not affiliated with Function Health.