GB42
category
Persistent proteinuria or albuminuria
Definition
Persistent albuminuria >3mg/mmol creatinine or >30mg/day is regarded as abnormal, indicative and often the first manifestation of chronic kidney disease (CKD). In surveillance for CKD in “at risk” patients such as diabetics, urinalysis for albuminuria is recommended by most clinical practice guidelines. This diagnosis does not refer to intermittent proteinuria as in orthostatic or exercise induced proteinuria, nor to non-albuminuric proteinuria such as Bence Jones (immunoglobulin light chain) proteinuria.
Exclusions
- Bence Jones proteinuria
(MF96.1) - Gestational proteinuria without hypertension
(JA22.0) - Nephrotic syndrome
(GB41) - Orthostatic proteinuria
(MF96.0) - albuminuria NOS
(MF96) - proteinuria NOS
(MF96)