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Favorites Specialties Guidelines Most Used

Faves Specialties Guidelines Most Used

AKI Staging (KDIGO)Anion Gap + Delta-Delta CKD Stage (KDIGO)Creatinine Clearance Electrolyte & Free Water FENa FEUrea KFRE — Kidney Failure Risk Kt/V Dialysis Sodium Correction UACR UPCR Urea Reduction Ratio (URR) Calculator Uric Acid & FEUA Urinary Anion Gap Winter's Formula eGFR (CKD-EPI)

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Clinical Notice:Calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for professional clinical judgment. OpiCalc is an auxiliary reference tool for qualified healthcare professionals.

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Institutional Registry

Nephrology

eGFR equations, electrolyte correction, and kidney failure risk models.

Tool Suite

Validated Registry

Evidence-based

AKI Staging (KDIGO)

Anion Gap + Delta-Delta

CKD Stage (KDIGO)

Creatinine Clearance

Electrolyte & Free Water

KFRE — Kidney Failure Risk

Sodium Correction

Urea Reduction Ratio (URR) Calculator

Uric Acid & FEUA

Urinary Anion Gap

Winter's Formula

About

Nephrology

Nephrology requires constant calculation. We provide the latest CKD-EPI equations, the KFRE for kidney failure risk, and a full suite of electrolyte and acid-base tools for acute and chronic renal care.

Covered Areas

eGFR & CKD Staging
Kidney Failure Risk (KFRE)
Acid-Base & Anion Gap Analysis
Electrolyte Correction (Na, K, Ca)

All tools are based on published clinical evidence. Results should be interpreted alongside individual patient presentation and current institutional guidelines.