N03.9 – Chronic nephritic syndrome with unspecified morphologic changes
ICD-10-CM 2027 diagnosis code · Glomerular diseases
ICD-10-CM code
N03.9
- Code
N03.9(claims format:N039)- Description
- Chronic nephritic syndrome with unspecified morphologic changes
- Short description
- Chronic nephritic syndrome with unsp morphologic changes
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 14. Diseases of the genitourinary system (N00-N99)
- Block
- N00-N08 Glomerular diseases
- Parent codes
- N03
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
N03 – Chronic nephritic syndrome
Includes:
- chronic glomerular disease
- chronic glomerulonephritis
- chronic nephritis
Excludes1 (not coded here):
Block N00-N08
Excludes1 (not coded here):
- hypertensive chronic kidney disease (I12.-)
Index terms for N03.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in N03
- N03.0 – Chronic nephritic syndrome with minor glomerular abnormalityBillable
- N03.1 – Chronic nephritic syndrome with focal and segmental glomerular lesionsBillable
- N03.2 – Chronic nephritic syndrome with diffuse membranous glomerulonephritisBillable
- N03.3 – Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritisBillable
- N03.4 – Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisBillable
- N03.5 – Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritisBillable
- N03.6 – Chronic nephritic syndrome with dense deposit diseaseBillable
- N03.7 – Chronic nephritic syndrome with diffuse crescentic glomerulonephritisBillable
- N03.8 – Chronic nephritic syndrome with other morphologic changesBillable
- N03.A – Chronic nephritic syndrome with C3 glomerulonephritisBillable
Frequently asked questions
What is ICD-10 code N03.9?
N03.9 is the ICD-10-CM code for chronic nephritic syndrome with unspecified morphologic changes, in the block N00-N08 (Glomerular diseases).
Is N03.9 a billable code?
Yes. N03.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does N03.9 belong to?
It belongs to category N03 – Chronic nephritic syndrome.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.