Pediatric Renal Function (eGFR) Calculator
Results
| eGFR per Schwartz: | |
|---|---|
| eGFR per Counahan-Barratt: |
Assumptions for the use of this Pediatric estimated Glomerular Filtration Rate (eGFR) Calculator:
- Used only as an estimate of GFR in children and adolescents. If you are looking for the adult creatinine clearance or glomerular filtration rate calculators please click here
- Renal function is basically stable (i.e., not in acute renal failure)
- You know if your institution or lab has changed to measuring creatinine assays that IDMS traceable or not. If you are not sure or cannot find out, then leave the box unchecked. If you want to know more about this please click here
Formulas Used:
Original Schwartz Equations:
Original Schwartz Equations:
- eGFR = k x (height in cm) ÷ serum Cr
- k = 0.33 in preemie infants
- k = 0.45 in term infants to 1 year of age
- k = 0.55 in children to 13 years of age
- k = 0.70 in adolescent males (females remain at 0.55 after age 13 years)
- eGFR = (0.41 x height in cm) ÷ serum Cr
Counahan-Barratt Equation:
- eGFR = (0.43 x height in cm) ÷ serum Cr
References:
- Schwartz GJ, Haycock GB, Edelmann CM Jr et al. A simple estimate of glomerular filtration rate in children derived from body length and plasma creatinine. Pediatrics 1976;58:259-63. PubMed
- Shwartz GJ, Brion LP, Spitzer A. The use of plasma creatinine concentration for estimating glomerular filtration rate in infants, children, and adolescents. Pediatr Clin North Am 1987;34:571-90. PubMed
- Counahan R, Chantler C, Ghazali S et al. Estimation of glomerular filtration rate from plasma creatinine concentration in children. Arch Dis Child 1976;51(11):875-8. PubMed
