N30.4 (Irradiation cystitis) compared with N99.530 (Hemorrhage of continent stoma of urinary tract), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“irradiation cystitis (N30.4-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. N99.530 carries an Excludes2 note covering N30.4: “irradiation cystitis (N30.4-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| N30.4Irradiation cystitis | N99.530Hemorrhage of continent stoma of urinary tract | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Irradiation cystitis is a non-billable ICD-10-CM category code (N30.4). | Hemorrhage of continent stoma of urinary tract is a billable ICD-10-CM diagnosis code (N99.530). |
| Use additional code | code to identify infectious agent (B95-B97) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources