Creatinine Clearance (CrCl)

Renal Function

Normal Reference Ranges

Adult

Male: 97-137 | Female: 88-128 mL/min

Pediatric

Varies significantly by age/size mL/min

Clinical Significance

Often measured via a 24-hour urine collection. Used for precise drug dosing in renal impairment (e.g., DOACs or antibiotics).

Causes of High

  • Normal finding
  • High protein intake

Causes of Low

  • Renal failure
  • Decreased renal blood flow (Heart failure, Shock)