CKD-EPI Cystatin C Formula

**Semantic type:** Quantitative Concept

**Definition:** A formula to estimate glomerular filtration rate that takes into account sex, age, race, and serum cystatin C (Scys). eGFR(mL/min/1.73 m2)=133 x min(Scys/0.8, 1)^-0.499 x max (Scys/0.8, 1)^-1.328 x 0.996^Age x 0.932 [if female]. (Inker LA, Schmid CH, Tighiouart H, et al. Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med. 2012;367(1):20-29.)

**Synonyms:** - CKD-EPI CYSTATIN C FORMULA - CKD-EPI Cystatin C 2012 Formula