Cystatin C
A protein cleared by the kidneys that does not depend on muscle mass.
More accurate than creatinine at the margins, but rarely needed for screening.
How we rate it: Useful
Worth doing for a specific reason: a risk factor, a symptom, an age group.
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 7 of the 93 check-ups we track, 8%. Cheapest first.
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.
- cystatin
- cystatin c
Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.