Advanced Biomarker Labs in San Francisco, California
Residents of San Francisco now have access to hospital-grade longevity biomarker testing via local Quest Diagnostics centers.
Quest Diagnostics Locations Near San Francisco
You can complete your draw at any of the following locations after securing your lab order online:
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Quest Diagnostics – San Francisco Clay Street – Employer Drug Testing Not Offered
San Francisco, CA 94108
415-956-2543
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Get Directions → |
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Carbon Health – CIVic Center (Preferred)
San Francisco, CA 94102
415-404-3129
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Get Directions → |
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Carbon Health – Market Street (Preferred)
San Francisco, CA 94102
415-651-3558
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Get Directions → |
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Quest Diagnostics – San Francisco 2201 Post Street – Employer Drug Testing Not Offered
San Francisco, CA 94115
415-931-6492
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Get Directions → |
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Quest Diagnostics – San Francisco 15th Street
San Francisco, CA 94114
415-431-8723
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Get Directions → |
Don’t Pay Retail Prices at These Labs
Most patients in California overpay for basic blood work. We use a Function Health membership to unlock incredible pricing at the locations listed above.
| Feature | Standard Walk-In | Function Health |
|---|---|---|
| Total Cost | $2,500+ (Est.) | $365 / year |
| Biomarkers Tested | ~20 (Basic Panel) | 100+ (Full Body) |
| Clinician Notes | ✘ No | ✔ Included |
| Retest (6 Months) | ✘ Pay Again | ✔ Included |
Get Your Biological Age with Function →
Why San Francisco Residents Are Upgrading Their Labs
Many individuals in California are turning to preventative testing for three main reasons:
- Find Answers Standard bloodwork can miss issues like thyroid, hormone, or autoimmune problems.
- Longevity Optimization: You cannot optimize what you do not measure. Function tracks APOB, Insulin, and Cortisol to measure aging.
- Family History: Early detection of cancer signals or heart disease risk factors is possible.
San Francisco residents naturally embody several Blue Zone principles. The city’s vibrant outdoor culture, extensive parks, and hilly terrain foster “Move Naturally” through daily walking and biking. Additionally, the abundant access to fresh, local produce and a thriving plant-forward dining scene makes adhering to a “Plant Slant” diet both easy and enjoyable.
However, a significant challenge lies in the high-stress, demanding work environment and competitive culture, which can impede the “Down Shift” and “Loved Ones First” principles. Residents should intentionally prioritize stress-reduction techniques and nurture their close relationships to counteract the intense pace and maintain long-term well-being, ensuring purpose doesn’t overwhelm peace.
The 3-Step Process for San Francisco Locals
- Start Your Membership: Create your account online.
- Draw Blood: Book your appointmnet at any San Francisco location. The draw can take less than 15 minutes.
- Get Answers: Results are uploaded to your secure dashboard with clinician notes explaining every red flag.

Common Questions
Can I walk into Quest in San Francisco and buy this?
No. This specific package is care of Function Health and must be ordered through them.
Is this covered by insurance?
Function Health does not accept insurance. It is HSA/FSA eligible.
Ready to See Your Data?
Don’t guess about your health. See the full list of biomarkers included and get your access code below.