N30.1 is the ICD-10 code for Interstitial cystitis (chronic). 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
N30.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N30.1Interstitiell cystitt
DN301Kronisk interstitiel cystitis
N30.1Interstitielle Zystitis (chronisch)
N30.1Cystite interstitielle (chronique)
N30.1interstitiële cystitis (chronisch)
Listed through more specific codes:
- N30.10Interstitial cystitis (chronic) without hematuria
- N30.11Interstitial cystitis (chronic) 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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