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Confirm kidney function with a muscle-independent marker. Updated 2026-08.
Confirm kidney function with a muscle-independent marker
Enter your values above to see the result.
For education and screening only — not a substitute for professional medical assessment. Results should be interpreted by your healthcare provider.
Normal kidney function by cystatin C.
Mildly reduced — CKD only if kidney damage markers are present.
CKD if persistent 3+ months. KDIGO: confirm with cystatin C if eGFR 45-59 with no albuminuria.
Moderate-severe CKD — specialist follow-up and kidney-protective therapy.
Severe CKD — RRT education and urgent nephrology review.
Kidney failure — dialysis/transplant evaluation.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.