Advanced Biomarker Labs in Covina, California
Residents of Covina now have access to hospital-grade longevity biomarker testing via local Quest Diagnostics centers.
Quest Diagnostics Locations Near Covina
You can complete your draw at any of the following locations after securing your lab order online:
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Quest Diagnostics – San Dimas West Covina Boulevard – Employer Drug Testing Not Offered
San Dimas, CA 91773
626-201-1152
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Get Directions → |
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Quest Diagnostics – Glendora South Grand Avenue – Employer Drug Testing Not Offered
Glendora, CA 91741
626-250-1614
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Get Directions → |
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Quest Diagnostics – West Covina – California Ave
West Covina, CA 91790
626-718-7660
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Get Directions → |
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Quest Diagnostics – Diamond Bar North Diamond Bar – Employer Drug Testing Not Offered
Diamond Bar, CA 91765
909-282-6817
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Get Directions → |
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Crossroads Drug Testing (Preferred)
Duarte, CA 91010
626-531-6335
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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 Covina 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.
Covina’s lifestyle presents notable strengths aligning with Blue Zone principles. Its year-round pleasant climate encourages “Move Naturally” through outdoor activities like walking in parks or gardening. A strong emphasis on family and community fosters “Loved Ones First” and cultivates a “Right Tribe” for many, providing vital social connections and a sense of belonging.
However, residents should watch out for challenges impacting “Down Shift” and “Plant Slant.” The car-centric culture can lead to sedentary habits and increased stress from commuting. While fresh produce is accessible, the abundance of convenient, processed food options often works against a consistently plant-forward diet and mindful eating practices like the “80% Rule,” requiring intentional effort to overcome.
The 3-Step Process for Covina Locals
- Start Your Membership: Create your account online.
- Draw Blood: Book your appointmnet at any Covina 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 Covina 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.