A single 9am blood test for cortisol, the main stress hormone, used alongside other tests to help assess adrenal conditions such as Cushing's syndrome or Addison's disease.
1 biomarker as listed by Blue Horizon Medicals.
This test measures cortisol, the body's main stress hormone, from a blood sample taken at 9am. Blue Horizon's own description says cortisol testing is used alongside other tests to help assess adrenal conditions such as Cushing's syndrome and Addison's disease, and that cortisol is included in its thyroid profiles because it affects TSH and how the body converts T4 to T3.
Against the six tests in its comparison group, this test's £45.25 price is almost exactly at the £45.13 median, coming in a little above YorkTest's and Forth's £41 kits but well below Better2Know's £55 home kit and £195 clinic test. As a single-marker test in a comparison group made up entirely of single-marker cortisol tests, its clinical depth score reflects that depth isn't really the differentiator here.
Where it does well is collection convenience, scoring at the top of the scale because you can use an at-home finger-prick or Tasso autodraw kit as well as a clinic or nurse-visit draw, with results back within a day. A doctor reviews the result. Trust signals reflect Blue Horizon's 4.2 Trustpilot rating from 395 reviews and its UKAS ISO 15189 partner labs, which apply across the provider's range.
This suits people who, alongside a GP or specialist, want a same-day-collection cortisol check as part of investigating adrenal symptoms, or who are already having cortisol monitored and want a fast, flexible way to repeat it. It's priced in line with most direct rivals, so it's a reasonable default rather than a stand-out on cost.
If price is the deciding factor, YorkTest's Stress (Cortisol) Test and Forth's Cortisol Home Blood Test Kit are both around £4 cheaper at £41. If you have symptoms that concern you, see your GP, since cortisol results are usually interpreted alongside other tests rather than on their own.
You can collect a sample at home with a finger-prick kit or Tasso autodraw device at 9am, or have a venous draw at a clinic or during a nurse home visit. The lab tests the sample for cortisol alone, with results typically back within a day, reviewed by a doctor before you receive your report.
This single-marker cortisol test costs £45.25, almost exactly the £45.13 median for the six tests in its comparison group, sitting a little above YorkTest's and Forth's £41 kits but below Better2Know's £55 and £195 options. It offers at-home finger-prick or Tasso autodraw collection alongside clinic and nurse-visit options, with results back within a day.
The listing publishes a short description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.
A single-marker test measuring exactly what it sets out to; depth is not the point of this comparison group.
A finger-prick sample you take at home; with a venous or clinic option as well; a home nurse visit is offered; results in around 1 days, in line with or faster than similar tests.
Results are reviewed by a doctor; the provider does not describe the report format.
Trustpilot 4.2 from 395 reviews; accredited lab (UKAS ISO 15189 partner labs); trading 17+ years.
£45.25 against a comparison-group median of £45.13 (+0%).
Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.
This test belongs to our Cortisol test comparison group. See how it stacks up against equivalent tests from other providers.
Multiple collection options, priced in line with rivals
Measures cortisol, the body's main stress hormone, as an initial check when adrenal function or chronic stress is a concern. Suits anyone advised to start with a basic cortisol check.
Joint cheapest cortisol test in its comparison group
A single-marker finger-prick test measuring 9am cortisol, commonly used to assess your body's stress hormone response, energy and sleep patterns.
Joint-cheapest single cortisol test, tied with Forth
An at-home finger-prick test measuring morning cortisol, a hormone commonly used as a marker of stress. Suited to a quick standalone check on cortisol levels.
Home cortisol kit far cheaper than the clinic version
An at-home finger-prick blood test measuring cortisol, the hormone linked to your body's stress response. Suits people who want a quick, low-cost check of their cortisol level without visiting a clinic.
Same-marker cortisol test, priced 4x the group median
A clinic-based blood test measuring cortisol, the hormone linked to your body's stress response, taken via a venous draw or home nurse visit. Suits people who want a clinician to take the sample rather than doing a finger-prick themselves.
Multiple collection options, priced in line with rivals
Measures cortisol, the body's main stress hormone, as an initial check when adrenal function or chronic stress is a concern. Suits anyone advised to start with a basic cortisol check.
Joint cheapest cortisol test in its comparison group
A single-marker finger-prick test measuring 9am cortisol, commonly used to assess your body's stress hormone response, energy and sleep patterns.
Joint-cheapest single cortisol test, tied with Forth
An at-home finger-prick test measuring morning cortisol, a hormone commonly used as a marker of stress. Suited to a quick standalone check on cortisol levels.
Home cortisol kit far cheaper than the clinic version
An at-home finger-prick blood test measuring cortisol, the hormone linked to your body's stress response. Suits people who want a quick, low-cost check of their cortisol level without visiting a clinic.
