ALB and chronic kidney disease: The most widely used system of CKD staging and progression is based on lab tests of glomerular function, particularly eGFR.10, 11, 12, 13, 14, 15 However, this method does not incorporate another important domain of kidney health, glomerular damage, which is usually represented by albuminuria and indicated by an elevated urine albumin-to-creatinine ratio (UACR).16