N30 vs O75.3
N30 (Cystitis) compared with O75.3 (Other infection during labor), 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. N30 carries an Excludes2 note covering O75.3: “pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N30Cystitis | O75.3Other infection during labor | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) |
| Definition | Cystitis is a non-billable ICD-10-CM category code (N30). | Other infection during labor is a billable ICD-10-CM diagnosis code (O75.3). |
| Includes | — | Sepsis during labor |
| Use additional code | code to identify infectious agent (B95-B97) | code (B95-B97), to identify infectious agent |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources