N30.4 vs N99.84
N30.4 (Irradiation cystitis) compared with N99.84 (Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. N99.84 carries an Excludes2 note covering N30.4: “irradiation cystitis (N30.4-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N30.4Irradiation cystitis | N99.84Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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). | Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure is a non-billable ICD-10-CM category code (N99.84). |
| 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