Urine Potassium/Creatinine Ratio

Name: Urine Potassium/Creatinine Ratio
Creator: Daniel Diaz-Gil, MD
Keywords: potassium, urine, K/Cr, renal, hypokalemia, hyperkalemia, TTKG

Evaluates renal potassium excretion using the urine potassium-to-creatinine ratio for hypokalemia and hyperkalemia workup

Clinically Verified· 5 tests

For educational and informational purposes only. Verify all results before clinical application.

Urine Potassium *

mEq/L

Urine Creatinine *

mg/dL

References

Kamel KS, Halperin ML. Intrarenal urea recycling leads to a higher rate of renal excretion of potassium: an hypothesis with clinical implications. Curr Opin Nephrol Hypertens. 2011;20(5):547-554.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

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Pediatric Nephrology HandbookClinical reference for pediatric kidney disease and electrolytes~$80via Amazon Electrolyte Reference CardQuick-reference for pediatric electrolyte normal values and corrections~$10via Amazon