- Persistent very high albuminuria defined as urinary albumin-to-creatine ratio (UACR) of >/=300 mg/g ( >/= 34 mg/mmol) in 2 out of 3 first morning void samples and estimated glomerular filtration rate (eGFR) >/=30 mL/min/1.73 m² but < 90 mL/min/1.73m² (Chronic Kidney Disease Epidemiology Collaboration, CKD EPI) (mL = milliliter; min = minute; m2 = square meter; g = gram; mmol = millimole) or