Immune System Blood Test
Highly rated for depth and priced well below the market
An 8-marker blood test covering white and red blood cells, vitamin D, B12, iron status and inflammation, for a broad check of immune-related health.
A blood test for Cytomegalovirus (CMV) antibodies, a very common virus that most people are exposed to at some point. Useful if you are planning a pregnancy, have a weakened immune system, or have had symptoms that could suggest a CMV infection.
1 biomarker as listed by Better2Know.
Cytomegalovirus is a common virus that most people carry without ever knowing it, though it can cause serious problems for pregnant women and people with weakened immune systems. This test checks for CMV antibodies from a single blood sample, which can indicate past or current infection.
There is no reliable comparison group recorded for this listing, so we have not made a price or depth comparison against similar tests. On its own merits, it scores well for clarity, since Better2Know publishes a full description, the biomarker, the sample type and a stated turnaround, and its single marker measures exactly what it sets out to. It loses marks on results and follow-up, because your result is not routinely reviewed by a doctor unless it comes back positive, at which point a consultation is arranged.
Better2Know's trust signals include a Trustpilot rating of 4.2 from 775 reviews and CQC registration, and the company has been trading since 2008.
This suits anyone who thinks they may have been exposed to Cytomegalovirus, including people planning a pregnancy or with a weakened immune system who want to know their CMV status. If you have symptoms such as fever, sore throat or fatigue, a GP can advise whether this or a broader panel is the right next step.
There are no comparable tests recorded for this listing, so we cannot say whether another provider offers the same marker for less.
A clinician takes a venous blood sample at a Better2Know clinic and sends it to the laboratory for analysis. Results are typically available within about a day of the sample arriving and are uploaded to your secure online patient area, with email or SMS notification when they are ready. If your result is positive, Better2Know arranges a consultation with a doctor; results are not otherwise reviewed by a doctor as standard.
This is a single blood test for Cytomegalovirus antibodies, priced at £195 with results back within about a day of your sample reaching the lab. There is no reliable comparison data available for this specific listing, and Better2Know does not confirm that a doctor reviews your result unless it is positive.
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.
1 biomarkers, placing it in the 36th percentile of immunity tests we track.
Requires a venous draw at a clinic; results in around 1 days, well ahead of the immunity norm of 3.
Results are not doctor-reviewed and no consultation is included; the provider does not describe the report format.
Trustpilot 4.2 from 775 reviews; CQC registered; trading 18+ years.
£195.00 against a median of £129.00 for the 79 similarly sized immunity tests we track (+51%).
Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.
Highly rated for depth and priced well below the market
An 8-marker blood test covering white and red blood cells, vitamin D, B12, iron status and inflammation, for a broad check of immune-related health.
Six-marker immunity panel below the category median
A six-marker blood panel covering IgG, IgM and IgA antibodies plus total protein, albumin and globulin, for anyone investigating frequent infections or possible immune deficiency.
Combined Covid tests, discontinued from 30 Sept 2026
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