N03 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Chronic nephritic syndrome.
Includes
Chronic glomerular disease
Chronic glomerulonephritis
Chronic nephritis
Type 1 excludes
Codes
N03.0
Chronic nephritic syndrome with minor glomerular abnormality
N03.1
Chronic nephritic syndrome with focal and segmental glomerular lesions
N03.2
Chronic nephritic syndrome with diffuse membranous glomerulonephritis
N03.3
Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N03.4
Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N03.5
Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N03.6
Chronic nephritic syndrome with dense deposit disease
N03.7
Chronic nephritic syndrome with diffuse crescentic glomerulonephritis
N03.8
Chronic nephritic syndrome with other morphologic changes
N03.9
Chronic nephritic syndrome with unspecified morphologic changes
N03.A
Chronic nephritic syndrome with C3 glomerulonephritis
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code