CREATININE CLEARANCE/ GFR
Pre-test preparation or requirements
• 24 hr urine is collected and one venous blood sample in plain vial.
Tests included in package
24 hr proteins
24 hr creatinine
Protein/ creatinine ratio
Significance of package
Creatinine clearance is used for GFR estimation as creatinine clearance is supposed to be equal to GFR.
Stage of Chronic Kidney Disease GFR
Stage 1: Normal Kidney Function >90 ml/min
Stage 2: Mild Loss of Kidney Function 60-89 ml/min
Stage 3a: Mild to Moderate Loss of Kidney Function 45-59 ml/min
Stage 3b: Moderate to Severe Loss of Kidney Function 30-44 ml/min
Stage 4: Severe Loss of Kidney Function 15-29 ml/min
Stage 5: Kidney Failure <15 ml/min