N05.9 — Unspecified nephritic syndrome with unspecified morphologic changes

N05.9

ICD-10 Chapter 14: Genitourinary System — illustrative image — Chapter 14: Diseases of the genitourinary system (N00–N99) — illustrative image

What this code means

Nephritic syndrome is inflammation of the kidney filters causing blood in the urine, raised blood pressure and reduced kidney function; type unspecified.

Also called: nephritic syndrome, glomerulonephritis.

When this code is used

Used for unspecified nephritic syndrome with unspecified morphologic changes.

Where it sits in ICD-10-CM

Code N05.9 belongs to Chapter 14: Diseases of the genitourinary system, which covers codes N00–N99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Blood in the urine

Related anatomy

Kidneys

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Frequently asked questions

What is ICD-10-CM code N05.9?

N05.9 is the ICD-10-CM diagnosis code for “Unspecified nephritic syndrome with unspecified morphologic changes”. Nephritic syndrome is inflammation of the kidney filters causing blood in the urine, raised blood pressure and reduced kidney function; type unspecified.

When is code N05.9 used?

Used for unspecified nephritic syndrome with unspecified morphologic changes. It belongs to Chapter 14 of ICD-10-CM (Diseases of the genitourinary system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.