A34 (Obstetrical tetanus) compared with O86.0 (Infection of obstetric surgical wound), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“obstetrical tetanus (A34)”
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. O86.0 carries an Excludes2 note covering A34: “obstetrical tetanus (A34)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| A34Obstetrical tetanus | O86.0Infection of obstetric surgical wound | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) |
| Definition | Obstetrical tetanus is a billable ICD-10-CM diagnosis code (A34). | Infection of obstetric surgical wound is a non-billable ICD-10-CM category code (O86.0). |
| Includes | — | Infected cesarean delivery wound following delivery Infected perineal repair following delivery |
| Use additional code | — | 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