N05 ICD-10-CM Code: Unspecified nephritic syndrome
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
N05Unspecified nephritic syndrome
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where N05 sits
- 1
Chapter 14
Diseases of the genitourinary system (N00-N99)
- 2
Section
Glomerular diseases (N00-N08)
- 3
Category N05
Unspecified nephritic syndrome
- 4
Code N05
Unspecified nephritic syndrome
More specific choices
Codes under N05
N05 is a non-billable category. Choose the child code that best matches the documented diagnosis.
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
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for N05.
Code first
No “code first” instruction is listed for N05.
Use additional code
No “use additional code” instruction is listed for N05.
Excludes1
Conditions that should not be reported together with this code.
- nephropathy NOS with no stated morphological lesion (N28.9)
- renal disease NOS with no stated morphological lesion (N28.9)
- tubulo-interstitial nephritis NOS (N12)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for N05.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code N05 mean?
N05 is the FY 2027 U.S. ICD-10-CM code for “Unspecified nephritic syndrome.”
Is N05 a billable or specific ICD-10-CM code?
No. N05 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is N05 located in ICD-10-CM?
N05 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Glomerular diseases (N00-N08) (N00–N08), under category N05, Unspecified nephritic syndrome.
What coding notes are listed for N05?
No inclusion terms are listed for N05 in this reference record. No code-first instruction is listed. Excludes1 notes: nephropathy NOS with no stated morphological lesion (N28.9); renal disease NOS with no stated morphological lesion (N28.9); tubulo-interstitial nephritis NOS (N12). No Excludes2 note is listed.
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