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ICD-10 diagnosis code

N30.9 Cystitis, unspecified

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N30.9 is the ICD-10 code for Cystitis, unspecified. It is a four-character subcategory of N30 (Cystitis), the most specific level in the WHO edition. It belongs to the block N30–N39 (Other diseases of urinary system) in Chapter XIV, Diseases of the genitourinary system.

Code type
Subcategory (4 characters)
Chapter
XIV · N00–N99
Classification
WHO ICD-10, 2019 version

N30.9 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

N30.9Cystit, ospecificerad

NorwayICD-10-NO

N30.9Uspesifisert cystitt

DenmarkICD-10-DK

DN309Cystitis UNS

FinlandICD-10-FI

N30.9Määrittämätön virtsarakkotulehdus

GermanyICD-10-GM

N30.9Zystitis, nicht näher bezeichnet

FranceICD-10-FR

N30.9Cystite, sans précision

NetherlandsICD-10-NL

N30.9cystitis, niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • N30.90Cystitis, unspecified without hematuria
  • N30.91Cystitis, unspecified with hematuria

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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