Three routes dominate the private market. A private GP can arrange tests during or after a consultation. A walk-in clinic can take a venous sample without a separate GP visit. Postal and home kits let you take a finger-prick or booked clinic sample and send it to a laboratory. Each is priced differently, and two products with the same marketing name can cover different sets of markers.
Why this site shows “price on request”
We only print a price when a provider publishes one for a clearly defined test, with a link and the date we checked. For the clinics we profile, we have not yet found comparable published figures that meet that test, so our blood tests page shows prices as on request. That is deliberate. Guessing a typical fee would break the rule we use everywhere else on the site.
When you ask a clinic for a price, get the panel contents in writing, not just a brand name.
Before you pay
Ask which laboratory analyses the sample and whether it is accredited to ISO 15189, the medical laboratory standard assessed in the UK by UKAS. Ask whether a clinician reviews the results, whether that review is included in the price, and what happens if a result sits outside the laboratory’s reference range. A careful service explains the escalation path before you book.
Ask how results reach you and how quickly: a secure portal, email, or a follow-up call. Finger-prick home kits are not always suitable for every marker; some tests need a larger venous sample. The provider should say which method a given test uses.
On the day
At a clinic, you check in, confirm identity and fasting status if the test requires it, and a phlebotomist takes the sample. The visit is usually short. Home kits come with instructions and a prepaid return; follow them exactly, because a poorly taken sample is often rejected and you may pay again.
Results without clinical context can be worrying and misleading. If a service offers results alone, ask who interprets them and whether you can speak to someone if a value is flagged.
The NHS route
Blood tests on the NHS are arranged by your GP practice or hospital team when they are clinically needed. NHS England does not publish a waiting-time measure for blood tests, so we do not invent one. Turnaround times vary by test and by local laboratory capacity.
Not medical advice. This guide covers process, cost and how the NHS and private routes are organised. It does not say whether you need a test or treatment. Decisions about your care sit with you and a clinician who knows your history.
Not affiliated with the NHS. The Doctor is an independent publication. It is not part of, or endorsed by, the NHS, the Care Quality Commission or any provider listed. See our full notice.
Published prices: Blood tests guide. How we work: methodology.
Sources checked for this guide
- Treatment page on this site (no comparable published prices yet), reviewed 9 November 2026: /treatments/blood-tests/
- UKAS, medical laboratory accreditation (ISO 15189): ukas.com (checked 9 November 2026)