Is N05 a billable code?
No. N05 is a header code that groups 11 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
N05: Unspecified nephritic syndrome
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
N05 groups related diagnoses under unspecified nephritic syndrome. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under N05
- N05.0Unspecified nephritic syndrome with minor glomerular abnormality
- N05.1Unspecified nephritic syndrome with focal and segmental glomerular lesions
- N05.2Unspecified nephritic syndrome with diffuse membranous glomerulonephritis
- N05.3Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
- N05.4Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N05.5Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
- N05.6Unspecified nephritic syndrome with dense deposit disease
- N05.7Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis
- N05.8Unspecified nephritic syndrome with other morphologic changes
- N05.9Unspecified nephritic syndrome with unspecified morphologic changes
- N05.AUnspecified nephritic syndrome with C3 glomerulonephritis
N05 questions
What does N05 mean?
N05 is the ICD-10-CM code for Unspecified nephritic syndrome. It is in chapter 14, Diseases of the genitourinary system (N00-N99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.