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Different kidney function estimating equations produce different values that can result in different, and possibly inappropriate renal drug dosing recommendations. This is particularly important for drugs with creatinine clearance based renal dosing rubrics that were established and approved prior to the introduction and adoption of the eGFR estimating methods in 2016.

The eGFR 3D Calculator computes and compares eGFR & Creatinine Clearance (CrCl) kidney function estimates and reports renal dose recommendation discordance that occurs across common renal drug dosing thresholds. This is a valuable clinical tool to inform drug dosing in medications with Creatinine Clearance derived dosing thresholds. It orients the user to the importance of estimating the patient's kidney function using the drug specific, FDA approved, kidney function estimating method employed in clinical trials for drug approval. In short, the estimating method used in computing the patient's kidney function should be, as close as possible to the same method THAT WAS USED to derive the drug specific, FDA approved, renal dosing thresholds. This ensures the closest methodological approximation for comparison to drug specific renal dosing thresholds and corresponding renal dose adjustments.

All in ONE calculator. All on ONE page. Enter patient data one time, and all relevant kidney function estimates are computed.

No need to manually calculate BSA patient specific eGFR estimates or BSA Normalized creatinine clearance estimates. The eGFR 3D Calculator provides both BSA normalized and BSA patient specific kidney function estimates for every reported estimate (CrCl, CKD-epi 2021, CKD-epi 2009, MDRD).


No need to re-enter data to obtain appropriate kidney function estimate when dose adjusting multiple medications on a patient. The eGFR 3D Calculator provides discordant renal dosing thresholds for drugs with BSA Standardized renal dosing thresholds (ml/min/1.73m2), as well as BSA patient specific renal dosing threshold(ml/min).
It's all provided on one page.

Computations for all estimates have been validated against the National Kidney Foundation Calculator mobile app.

Prevent dosing errors in medications with CREATININE CLEARANCE DERIVED RENAL DOSING THRESHOLDS. The eGFR 3D Calculator provides eGFR & creatinine clearance estimates, along with drug dose discordant renal dosing thresholds. PLUS BMI, BSA, customizable Pre-IDMS (back-calibrated) and IDMS derived SCr & CrCl estimates AND MUCH MORE.

For those who know the need to know the difference between eGFR estimates and Creatinine Clearance estimates for appropriate drug dosing. The eGFR 3D Calculator is a must.

DISCLAIMER: Non-medical professional users of this app are reminded to seek professional medical advice before making any medical decision or lifestyle changes based on the information provided by this app.