ICD-10-CM · FY 2026 APRIL UPDATE
N30
Cystitis
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| N30.0 | Acute cystitis | Category |
| N30.00 | Acute cystitis without hematuria | Billable |
| N30.01 | Acute cystitis with hematuria | Billable |
| N30.1 | Interstitial cystitis (chronic) | Category |
| N30.10 | Interstitial cystitis (chronic) without hematuria | Billable |
| N30.11 | Interstitial cystitis (chronic) with hematuria | Billable |
| N30.2 | Other chronic cystitis | Category |
| N30.20 | Other chronic cystitis without hematuria | Billable |
| N30.21 | Other chronic cystitis with hematuria | Billable |
| N30.3 | Trigonitis | Category |
| N30.30 | Trigonitis without hematuria | Billable |
| N30.31 | Trigonitis with hematuria | Billable |
| N30.4 | Irradiation cystitis | Category |
| N30.40 | Irradiation cystitis without hematuria | Billable |
| N30.41 | Irradiation cystitis with hematuria | Billable |
| N30.8 | Other cystitis | Category |
| N30.80 | Other cystitis without hematuria | Billable |
| N30.81 | Other cystitis with hematuria | Billable |
| N30.9 | Cystitis, unspecified | Category |
| N30.90 | Cystitis, unspecified without hematuria | Billable |
| N30.91 | Cystitis, unspecified with hematuria | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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