Kidney disease stage wording by filtering rate, with the albumin-to-creatinine category (options for the clinician)
front_kidney_stage_wording@1.0In our words: Kidney disease by filtering rate: below 60 on results at least 3 months apart; or urine albumin-to-creatinine ratio 30 mg/g or higher on two tests at least 3 months apart. Stage by filtering rate: G1 90 or above; G2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 below 15 (G1 and G2 also need a marker of kidney damage). Albumin-to-creatinine category: A1 below 30, A2 30-299, A3 300 mg/g or above. The filtering rate is estimated with the 2021 race-free creatinine equation.
Decreased eGFR <60 mL/min/1.73 m2 (GFR categories G3a-G5) for ≥3 months
Department of Veterans Affairs and Department of Defense, VA/DoD Clinical Practice Guideline for the Primary Care Management of Chronic Kidney Disease, Provider Summary (Version 5.0) (2025) · Sidebar 6 'Criteria for CKD' (PDF page 16; printed page 13 of 37). Do not use Sidebar 9 (a reproduced third-party figure) · source
Licence: U.S. government work (public domain); filtering-rate stage bands (90, 60, 45, 30, 15) and the G3a/G3b split: fact only citation; albumin-to-creatinine categories (A1 below 30, A2 30-299, A3 300 mg/g or above): fact only citation; 2021 creatinine equation: public domain. Source checked: opened. No endorsement by the cited bodies is implied.
To confirm with a clinician: three months is encoded as 90 days (the VA/DoD summary says 3 months or more).