Kidney Function Tests

Correction
Cockcroft-Gault formula
CrCl (male) = ([140-age] × weight in kg)/(serum creatinine × 72)
Creatinine clearance is greater than GFR because of tubular secretion of Creatinine [125-145 ml/min]
Tests for assessment of renal functions
A.For assessment of renal diseases
1. Serum Parameters
Urea
Creatinine
Na+
K+
2. Urine analysis
B. Tests for assessment of renal functions
1. Glomerular filtration-clearance tests
2 . Glomerular permeability- proteinuria
3. Tubular function tests
C. New parameters
Serum Cystatin C
Urine microalbumin
Albumin creatinine ratio