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.

Official description

N05

Unspecified nephritic syndrome

ICD-10-CM diagnosis code · United States clinical modification

Where N05 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Glomerular diseases (N00-N08)

  3. 3

    Category N05

    Unspecified nephritic syndrome

  4. 4

    Code N05

    Unspecified nephritic syndrome

Codes under N05

N05 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

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.

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.