Biochemistry · Clinical Biochemistry and Laboratory Medicine

Renal function tests and creatinine clearance

6 min read

Quick Orientation

Section

Definition

Objective
Understand the core idea
Keywords
Clearance, C = (U × V)/P, GFR is 120 to 125 ml/min

Renal Function Tests: Groups and the Nephron

Objective
Link tests to interpretation
Keywords
four groups, glomerular filtration, tubular reabsorption

Renal Threshold Substances

Objective
Learn the main facts and relationships
Keywords
Renal threshold substances, Tubular maximum (Tm)

Clearance Tests

Objective
Link tests to interpretation
Keywords
GFR

Creatinine Clearance Test

Objective
Link tests to interpretation
Keywords
Creatinine clearance, creatine phosphate, GFR

Clinical Correlation

Objective
Connect the mechanism to clinical findings
Keywords
creatinine clearance (below 75% of normal), early, Urea clearance below 75% of normal

Definition