Normal Reference Ranges
Adult
> 90 mL/min/1.73m²
Pediatric
> 90 mL/min/1.73m²
Clinical Significance
The most robust measure of overall kidney function. Staging for CKD heavily relies on eGFR (<60 indicates stage 3 CKD; <15 indicates ESRD requiring dialysis).
Causes of High
- Normal finding
- Pregnancy (increased clearance)
Causes of Low
- Chronic Kidney Disease (CKD)
- Acute Kidney Injury (AKI)
- Dehydration
- Heart Failure