Kt/V Dialysis Adequacy

Name: Kt/V Dialysis Adequacy
Creator: Daniel Diaz-Gil, MD
Keywords: nephrology, renal, dialysis, Kt/V, adequacy, hemodialysis, URR, urea reduction ratio, Daugirdas, BUN

Calculates single-pool Kt/V using the Daugirdas second-generation formula and urea reduction ratio (URR) for hemodialysis adequacy assessment

Clinically Verified· 5 tests

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

Pre-Dialysis BUN *

mg/dL

Post-Dialysis BUN *

mg/dL

Dialysis Duration *

hours

Ultrafiltration Volume *

Post-Dialysis Weight *

References

Daugirdas JT. Second generation logarithmic estimates of single-pool variable volume Kt/V: an analysis of error. J Am Soc Nephrol. 1993;4(5):1205-1213.[DOI]
KDOQI Clinical Practice Guideline for Hemodialysis Adequacy: 2015 Update. Am J Kidney Dis. 2015;66(5):884-930.[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.

Professional Resources — Tools used by pediatricians for renal assessment

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