N03
N03: Chronic nephritic syndrome
Non-billable headerICD-10-CM
N03 is a non-billable header ICD-10-CM code for chronic nephritic syndrome. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Includes
Conditions this code covers.
- chronic glomerular disease
- chronic glomerulonephritis
- chronic nephritis
Other codes that can never be billed with N03
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead N03
11 child codes. Green means billable.
- N03.0Chronic nephritic syndrome with minor glomerular abnormality
- N03.1Chronic nephritic syndrome with focal and segmental glomerular lesions
- N03.2Chronic nephritic syndrome with diffuse membranous glomerulonephritis
- N03.3Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
- N03.4Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N03.5Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
- N03.6Chronic nephritic syndrome with dense deposit disease
- N03.7Chronic nephritic syndrome with diffuse crescentic glomerulonephritis
- N03.8Chronic nephritic syndrome with other morphologic changes
- N03.9Chronic nephritic syndrome with unspecified morphologic changes
- N03.AChronic nephritic syndrome with C3 glomerulonephritis