Bedside Schwartz eGFR

Estimated GFR in children (1–16 years) from height and creatinine

Height

Serum creatinine (enzymatic)

Enter height and serum creatinine to calculate

Evidence

Original publication

Schwartz GJ, Muñoz A, Schneider MF, et al. New equations to estimate GFR in children with CKD. Derived in 349 children aged 1–16 years (CKiD cohort) against iohexol GFR; the bedside approximation is 0.413 × height (cm) / serum creatinine (mg/dL), with enzymatic (IDMS-traceable) creatinine.

Journal of the American Society of Nephrology, 2009

Open source

Guideline

KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. Source of the GFR categories G1–G5 shown with the result.

Kidney International, 2024

Open source

Last reviewed: 2026-09

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MedScore is an educational and clinical decision-support tool. It does not provide a diagnosis, a treatment, or a drug-dosing recommendation, and it does not replace clinical judgement or local guidelines. Confirm every result against the original source before acting on it. The treating clinician remains responsible for all decisions.