CKD-EPI = Chronic Kidney Disease Epidemiology Collaboration. The CKD-EPI creatinine equation, expressed as a single equation, is: GFR = 141 x min(Scr/k, 1)^a x max(Scr/k, 1)^-1.209 x 0.993^Age x 1.018 [if female] x 1.159 [if black], where Scr is serum creatinine, k is 0.7 for females and 0.9 for males, a is -0.329 for females and -0.411 for males, min indicates the minimum and max indicates the maximum.		ACR in mg/g approximates Albumin excretion in mg/24h. ACR <10 mg/g (<1 mg/mmol) is considered normal. ACR 10-30 mg/g (1-3 mg/mmol) is considered high normal. ACR >2200 mg/g (>220 mg/mmol) is considered nephrotic range. The relationship between urine reagent strip results and other measures depends on urine concentration.