Chronic kidney disease (CKD) can be categorized into different stages according to the glomerular filtration rate (GFR) and albuminuria (albumin-to-creatinine ratio – ACR). We can talk about:
GFR categories (G1-5); and
ACR categories (A1-A3).
Category A2 describes moderately increased albuminuria, between 30 and 300 mg/g (3-30 mg/mmol). Read more