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Creatinine Clearance Standardized for Body Surface Area (BSA)

Purpose: To the creatinine clearance for the patient's body surface area.

Description

Total kidney mass is roughly proportional to body surface area. Correction for BSA is necessary if the BSA of the patient differs markedly from the average.


Parameters:

(1) creatinine clearance in mL per minute

(2) body surface area (BSA) in square meters

 

standardized creatinine clearance =

= creatinine clearance per standard surface area =

= calculated creatinine clearance * (1.73 / (BSA in square meters))

 

where:

• 1.73 is the BSA of the "average-sized" person in square-meters.


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Specialty

Objective

ICD-10