ICD-10-CM · Chapter 14 · N00–N99
N30.9
Cystitis, unspecified
Diseases of the genitourinary system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- N30.9
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 14 — Diseases of the genitourinary system
- Category
- N30 — Cystitis
- Specificity
- 4 characters
How coders use this code
ICD-10-CM N30.9 is a category (header) for cystitis, unspecified. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in N30
- N30Cystitis
- N30.0Acute cystitis
- N30.00Acute cystitis without hematuria
- N30.01Acute cystitis with hematuria
- N30.1Interstitial cystitis (chronic)
- N30.10Interstitial cystitis (chronic) without hematuria
- N30.11Interstitial cystitis (chronic) with hematuria
- N30.2Other chronic cystitis
- N30.20Other chronic cystitis without hematuria
- N30.21Other chronic cystitis with hematuria
- N30.3Trigonitis
- N30.30Trigonitis without hematuria
- N30.31Trigonitis with hematuria
- N30.4Irradiation cystitis
- N30.40Irradiation cystitis without hematuria
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