Pediatric Calculator Revised Pediatric GFR Schwartz Formula by Stephen Z. Fadem, M.D., FACP, FASN This formula has not been validated outside of the range of GFR of 15-75 ml/min per 1.73m².
Cystatin C:
Creatinine:
Height:
Age:	years
BUN:
Gender:
GFR

HEIGHT
CREATININE
CYSTATIN C
BUN
GENDER
AGE
SOURCE: Schwartz, GJ, Munoz, A, Schneider, MF, Mak, RH, Kaskel, F, Warady, BA & Furth, SL: New Equations to Estimate GFR in Children with CKD. J Am Soc Nephrol, Mar;20(3):629-37,2009.
FORMULA GFR = 39.1[ht/Scr]^.516 [1.8/cystatin C]^.0.294 [30/BUN]^0.169 [ht/1.4]^0.188 *1.099(if male) GFR= Glomerular filtration rate in cc/min/1.73m² Ht = Height in meters Cystatin C = mg/L Creatinine = mg/dL BUN = mg/dL