ICD-10-CM category
N30: Cystitis
Codes under N30 (Cystitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| N30.0 | Acute cystitis | — |
| N30.00 | Acute cystitis without hematuria | ✓ |
| N30.01 | Acute cystitis with hematuria | ✓ |
| N30.1 | Interstitial cystitis (chronic) | — |
| N30.2 | Other chronic cystitis | — |
| N30.3 | Trigonitis | — |
| N30.4 | Irradiation cystitis | — |
| N30.8 | Other cystitis | — |
| N30.9 | Cystitis, unspecified | — |
| N30.10 | Interstitial cystitis (chronic) without hematuria | ✓ |
| N30.11 | Interstitial cystitis (chronic) with hematuria | ✓ |
| N30.20 | Other chronic cystitis without hematuria | ✓ |
| N30.21 | Other chronic cystitis with hematuria | ✓ |
| N30.30 | Trigonitis without hematuria | ✓ |
| N30.31 | Trigonitis with hematuria | ✓ |
| N30.40 | Irradiation cystitis without hematuria | ✓ |
| N30.41 | Irradiation cystitis with hematuria | ✓ |
| N30.80 | Other cystitis without hematuria | ✓ |
| N30.81 | Other cystitis with hematuria | ✓ |
| N30.90 | Cystitis, unspecified without hematuria | ✓ |
| N30.91 | Cystitis, unspecified with hematuria | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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