--- title: Quest Diagnostics at 2201 Post St, San Francisco, CA canonical: /lab-locations/california/san-francisco/quest-2201-post-st type: lab-location lab: Quest Diagnostics address: 2201 Post St, San Francisco, CA 94115 phone: 415-931-6492 hours: "Mon–Fri 7:00AM – 11:00AM & 12:00PM – 4:00PM · Sat–Sun closed" latitude: 37.784492 longitude: -122.438133 listing_checked: 2026-11-13 takes_testwell_orders: true lab_fee_usd: 6 --- # Quest Diagnostics at 2201 Post St, San Francisco, CA Quest Diagnostics patient service center, 1 mile from downtown San Francisco. Open Mon–Fri 7:00AM – 11:00AM & 12:00PM – 4:00PM · Sat–Sun closed. Order your tests on TestWell, choose Quest at checkout, and walk in with the emailed requisition and a photo ID — no doctor's visit, referral or insurance; results post to your portal in 1–3 business days. Address, phone and hours were read from the lab's listing on 2026-11-13. - **Address:** 2201 Post St, San Francisco, CA 94115 ([directions](https://www.google.com/maps/dir/?api=1&destination=Quest%20Diagnostics%2C%202201%20Post%20St%2C%20San%20Francisco%2C%20CA%2094115)) - **Phone:** 415-931-6492 - **Appointments:** walk-ins at most sites; book on Quest's site to skip the wait ## Hours | Day | Hours | | --- | --- | | Monday | 7:00AM – 11:00AM & 12:00PM – 4:00PM | | Tuesday | 7:00AM – 11:00AM & 12:00PM – 4:00PM | | Wednesday | 7:00AM – 11:00AM & 12:00PM – 4:00PM | | Thursday | 7:00AM – 11:00AM & 12:00PM – 4:00PM | | Friday | 7:00AM – 11:00AM & 12:00PM – 4:00PM | | Saturday | Closed | | Sunday | Closed | Confirm before a holiday or Saturday visit. ## Popular tests drawn here — prices at Quest The tests California customers order most, September 2025 – September 2026, priced for a Quest draw. Plus one $6 fee per order; nothing to pay at the location. | Test | Price at Quest | | --- | --- | | [IGF-1 (Insulin-like Growth Factor) at Quest](https://www.test-well.com/tests/igf-1-test/quest) | $37.99 | | [Tuberculosis (TB) Blood Test at Quest](https://www.test-well.com/tests/tuberculosis-blood-test/quest) | $91.99 | | [Comprehensive Metabolic Panel at Quest](https://www.test-well.com/tests/comprehensive-metabolic-panel/quest) | $20.99 | | [Lipid Panel at Quest](https://www.test-well.com/tests/lipid-panel/quest) | $19.89 | | [Essential Health Panel](https://www.test-well.com/tests/essential-health-panel) | $189.99 | | [Hemoglobin A1c at Quest](https://www.test-well.com/tests/hemoglobin-a1c/quest) | $18.79 | More tests at Quest Diagnostics: [H. pylori Breath Test at Quest](https://www.test-well.com/tests/h-pylori-breath-test-labcorp/quest) ($129.99) · [Apolipoprotein A-1 Test (ApoA-1) at Quest](https://www.test-well.com/tests/apolipoprotein-a1/quest) ($29.99) · [Myeloperoxidase Test (MPO) at Quest](https://www.test-well.com/tests/myeloperoxidase-mpo/quest) ($44.99) · [TMAO Test (Trimethylamine N-Oxide) at Quest](https://www.test-well.com/tests/tmao-trimethylamine-n-oxide/quest) ($44.99) · [Pregnenolone Test at Quest](https://www.test-well.com/tests/pregnenolone/quest) ($49.99) · [Arsenic Blood Test at Quest](https://www.test-well.com/tests/arsenic-blood-test/quest) ($34.99) · [Cadmium Blood Test at Quest](https://www.test-well.com/tests/cadmium-blood-test/quest) ($34.99) · [Basic Metabolic Panel at Quest](https://www.test-well.com/tests/basic-metabolic-panel/quest) ($17.49) ## Other locations near 2201 Post St - [Labcorp, 2233 Post St, Ste 105](https://www.test-well.com/lab-locations/california/san-francisco/labcorp-2233-post-st) — 0 mi - [Labcorp, 2100 Webster St, Ste 309](https://www.test-well.com/lab-locations/california/san-francisco/labcorp-2100-webster-st) — 0.5 mi - [Labcorp, 148 Noe St](https://www.test-well.com/lab-locations/california/san-francisco/labcorp-148-noe-st) — 1.2 mi - [Labcorp, 490 Post St, Ste 419](https://www.test-well.com/lab-locations/california/san-francisco/labcorp-490-post-st) — 1.6 mi - [Quest Diagnostics, 450 Sutter St, Suite 2540](https://www.test-well.com/lab-locations/california/san-francisco/quest-450-sutter-st) — 1.7 mi - [Quest Diagnostics, 941 Clay St](https://www.test-well.com/lab-locations/california/san-francisco/quest-941-clay-st) — 1.7 mi ## Frequently asked questions ### What are the hours at Quest Diagnostics 2201 Post St in San Francisco? Mon–Fri 7:00AM – 11:00AM & 12:00PM – 4:00PM · Sat–Sun closed (as listed by the lab on 2026-11-13). Hours change around holidays — confirm before a Saturday or early-morning visit at 415-931-6492. ### Is Quest Diagnostics 2201 Post St open on Saturday? No — this location is closed on Saturday as of 2026-11-13. ### Do I need an appointment at Quest Diagnostics 2201 Post St? Most Quest Diagnostics patient service centers take walk-ins, and Quest Diagnostics lets you book a time slot on its site, which shortens the wait at busy locations. Bring a photo ID and your requisition — through TestWell it arrives by email within minutes of the physician's authorization, and it is accepted here as written. ### Can I get blood work at this Quest Diagnostics location without a doctor? Yes, with a requisition: Quest Diagnostics draws what a requisition orders but does not write orders. Order on TestWell — a licensed physician in our network authorizes it as part of the price, with one $6 lab processing fee per order — choose Quest at checkout, and walk in here. No insurance, referral or office visit; HSA and FSA cards are accepted. ### How much does a blood test cost at Quest Diagnostics in San Francisco? Through TestWell the price is the test's listed price plus one $6 fee per order, with nothing to pay at the draw. For example, IGF-1 (Insulin-like Growth Factor) is $37.99, Tuberculosis (TB) Blood Test is $91.99, Comprehensive Metabolic Panel is $20.99 drawn at Quest Diagnostics. Ordered through a doctor and billed to insurance, your share depends on your plan. ### What is the phone number for Quest Diagnostics 2201 Post St, San Francisco? 415-931-6492. Phone and hours were read from the lab's listing on 2026-11-13. - [All lab locations in San Francisco](https://www.test-well.com/lab-locations/california/san-francisco) - [Lab testing in California](https://www.test-well.com/lab-locations/california) --- Canonical page: https://www.test-well.com/lab-locations/california/san-francisco/quest-2201-post-st Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.