Cystatin C Blood Test
Cystatin C is a protein produced by cells throughout the body and cleared by the kidneys, making it a marker of kidney filtration. It provides an additi...
What is Cystatin C?
Cystatin C is a protein produced by cells throughout the body and cleared by the kidneys, making it a marker of kidney filtration. It provides an additional view of kidney function.
Why it's testedWhy check your Cystatin C?
Cystatin C is measured within more detailed kidney assessment, sometimes alongside creatinine and eGFR. It appears in extended kidney panels.
Panels that include Cystatin C
Cystatin C is a standalone test, but it's often more useful — and better value — checked alongside related markers. These panels include it:
TATT (Tired All The Time)
Our number-one panel for people who are constantly exhausted. Checks all the common culprits in one blood draw — thyroid, iron, B12, vitamin D and inflammation.
Advanced GP2 (Female)
Advanced GP2 for women screens 25 markers across eight areas of health from a single blood draw.
Advanced GP2 (Male)
Advanced GP2 for men screens 25 markers across eight areas of health from a single blood draw.
Advanced GP3 (Female)
The most comprehensive women's health screen we offer — every major organ system, hormone, vitamin and heart risk marker in a single blood draw.
Advanced GP3 (Male)
Advanced GP3 for men screens 30 markers across eight areas of health from a single blood draw.
Three simple steps
Book online
Choose a time that suits you in under a minute — no referral needed. Same-week and weekend appointments available.
5–10 minute blood draw
Visit our Sutton Coldfield clinic for a quick, comfortable blood draw with one of our clinical team. Free on-site parking.
Clinician-reviewed results
Prompt results, reviewed by a clinician before they reach you, with a clear explanation of what they mean and any sensible next steps.
Common questions about Cystatin C
How does cystatin C differ from creatinine? +
Both reflect kidney filtration but are produced differently in the body, so cystatin C can add extra information. They may be interpreted together.
Ready to check your Cystatin C?
Same-week appointments. No GP referral. Prompt results, reviewed by a clinician.
Book now — £66 → All individual markers