Faecal Calprotectin

This at-home stool test measures faecal calprotectin, a marker released when the gut lining is inflamed. It suits people with ongoing digestive symptoms who want a first check for gut inflammation before seeing a GP or specialist.

  • At-home test
  • Doctor reviewed
Sample
Stool
Collection
At-home stool sample by post
Results in
6 days
Biomarkers
1
Doctor reviewed
Yes
Tests for
  • Faecal calprotectin

Test specifications

Sample type
stool
Collection method
at-home stool sample by post
Turnaround time
6 days
Biomarkers tested
1
At-home test
Yes
Doctor reviewed
Yes
Gender focus
Both

What's tested

1 biomarker as listed by Blue Horizon Medicals.

Gut Inflammation

  • Faecal calprotectin

About this test

Faecal calprotectin is released when the lining of the bowel is inflamed. Testing for it is commonly used alongside symptoms to help distinguish inflammatory bowel disease, such as ulcerative colitis or Crohn's disease, from a non-inflammatory condition like irritable bowel syndrome, and it can pick up inflammation before symptoms become obvious.

Against its comparison group, this test is markedly more expensive: Selph charges £83 and Bluecrest Wellness £85 for the same single calprotectin marker, against £146.25 here, a premium of 72% over the group median. All three test the same one biomarker, so the price difference is not explained by extra scope.

The score is dragged down almost entirely by value for money, which is the lowest of any criterion here given the price gap to named peers. It performs well on clarity, with a detailed description, full biomarker list and clear collection options, and on results and follow-up, since a doctor reviews the results and it can be done entirely at home.

Who is it for?

This suits you if you have digestive symptoms and want a private calprotectin check with a doctor review, and matching the lowest market price is not your main concern. If price is the deciding factor, Selph's Calprotectin Test at £83 and Bluecrest Wellness's Inflammatory Bowel Disease test at £85 measure the same single marker for significantly less.

How it works

You collect a stool sample at home and post it to the lab. The lab measures faecal calprotectin levels, and results are typically ready in around 6 days. A doctor reviews the results before you receive them.

Pros & cons

Pros

  • Fully at-home collection, no clinic visit needed
  • Doctor reviews your results before you see them
  • Detailed provider description explains what the marker measures and why
  • Results in around 6 days

Cons

  • £146.25 is 72% above the £85 median for this comparison group
  • Costs £61 to £63 more than the same single marker from Selph or Bluecrest Wellness
  • Tests only one marker, so it cannot by itself distinguish IBD from other causes of symptoms

Our editorial score

Compare Health Test Score Priciest named calprotectin test of the three we compare
Editorial confidence: 10.0/10

This single-marker calprotectin stool test costs £146.25, well above the £83 to £85 charged by Selph and Bluecrest Wellness for the same marker. It is fully at-home and doctor reviewed, with results in around 6 days, but the price gap is the standout weakness against its named comparison group.

Score breakdown

  • Clarity and documentation 9.0/10

    The listing publishes a detailed description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.

  • Clinical depth 7.5/10

    A single-marker test measuring exactly what it sets out to; depth is not the point of this comparison group.

  • Collection convenience 7.0/10

    A stool sample you take at home, no needle; results in around 6 days, slower than similar tests.

  • Results and follow-up 7.0/10

    Results are reviewed by a doctor; the provider does not describe the report format.

  • Trust signals 7.5/10

    Trustpilot 4.2 from 395 reviews; accredited lab (UKAS ISO 15189 partner labs); trading 17+ years.

  • Value for money 2.0/10

    £146.25 against a comparison-group median of £85.00 (+72%).

Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.

Compare with similar tests

This test belongs to our Calprotectin test comparison group. See how it stacks up against equivalent tests from other providers.

View all →

Calprotectin Test

One of Selph's fastest stool test turnarounds

A single stool marker for gut inflammation, commonly used to help distinguish between irritable bowel syndrome and inflammatory bowel disease when investigating ongoing gut symptoms.

  • At-home test
8.1 / 10