MCH

CalculatedEssential

Haemoglobin divided by red cell count.

Calculated by the analyser from two numbers already printed above it.

This one isn’t a test

MCH = Hemoglobin ÷ RBC count

No extra sample was taken for this and no extra assay was run. It is arithmetic on numbers already on your report — but it still adds a line to the advertised test count.

Computed from Hemoglobin and RBC Count.

That does not make the number useless — eGFR is calculated and doctors act on it every day. It means it should not be counted as a separate test when you are comparing what a package costs.

Part of

How we rate it — Essential

Defensible in a routine adult check-up.

This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.

Check-ups that include it

In 67 of the 78check-ups we track — 86%. Cheapest first.

and 55 more.

Also sold as

Every one of these names refers to this same test. Resolving them to one canonical entry is what makes an honest comparison possible.

mch · mean corpuscular hemoglobin

Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.