Same blood draw, different ways to buy it. We read each seller's own pages and list what they say, checked 2026-10-14.
| Seller | Type | Labs | How you order | Results | Their promise |
|---|---|---|---|---|---|
| HealthLabs Read review | Online lab seller | Says 4,500+ labs, including Quest and Labcorp | Online or by phone. No doctor referral or insurance needed. | Secure HealthLabs account. Says 1 to 3 business days. | Advertises a 110% price guarantee |
| Private MD Labs Read review | Online lab seller | Says 4,500+ Quest and Labcorp locations | Every order reviewed by a physician. Says you pay $1 to start and the rest after results. | Secure online portal with plain-English explanations. Says many results arrive overnight. | Advertises a 90-day money-back guarantee |
| Walk-In Lab Read review | Online lab seller | Lab network not named on its homepage | Online, no insurance or doctor order needed. Shows a $6 physician fee per order on popular tests. | Online account. Turnaround not stated on its homepage. | Advertises lowest-price and satisfaction guarantees |
| Quest Health Read review | Lab-run | Quest, 2,000+ locations | Buy online and book a Quest appointment. An independent provider is involved. | Online as soon as ready, with an email alert. Provider discussion included at no extra cost. | Lab-run, so results come straight from Quest |
| Labcorp OnDemand Read review | Lab-run | Labcorp, 2,000+ patient service centers and 400+ Walgreens sites | Buy online. An authorized healthcare professional orders the test. You create a Labcorp Patient account. | Labcorp Patient account. Says most results within 1 to 2 days of the lab receiving your sample. | Lab-run, with at-home kits for some tests |
| Function Health Read review | Annual membership | Quest, 2,000+ locations, or at-home draw | Membership. $365 per year. Two testing rounds a year. | One dashboard with clinician review and explanations. | Advertises 160+ lab tests a year |
Seller details are quoted or summarized from their public sites and can change. Confirm price, state availability, and lab locations before you pay.
HealthLabs, Private MD Labs, and Walk-In Lab sell tests at their own prices, arrange the physician order, and send you to a partner lab. Results show up in their portal.
Quest Health and Labcorp OnDemand come from the lab itself. Labcorp OnDemand asks you to create a Labcorp Patient account.
Function Health bundles many tests into an annual plan. It suits broad, repeated testing and costs more up front than one test.
Look for a CLIA-certified lab such as Quest or Labcorp.
One seller shows a $6 physician fee per order.
Sellers advertise 1 to 3 days. Some tests take longer.
Several sellers exclude a few states.
Read the terms behind any price or money-back promise.
Read the privacy policy before you pay.
Based only on what each seller publishes. Use the chooser for a tailored list.
Private MD Labs lists ApoB and hs-CRP. We saw $72 for the Apo A1 and Apo B pair and $58 for hs-CRP.
Compare checkout totals at HealthLabs, Walk-In Lab, and Quest Health. We saw a $59 lipid panel at Quest Health.
Labcorp OnDemand keeps results in your Labcorp Patient account.
Function Health lists $365 a year for 160+ tests, tested twice a year.
Seller details come from each seller's own site and can change. Confirm price, lab location, and state availability at checkout.
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