O00 vs T81.83XA
O00 (Ectopic pregnancy) compared with T81.83XA (Persistent postprocedural fistula, initial encounter), 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. T81.83XA carries an Excludes2 note covering O00: “complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| O00Ectopic pregnancy | T81.83XAPersistent postprocedural fistula, initial encounter | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Ectopic pregnancy is a non-billable ICD-10-CM category code (O00). | Persistent postprocedural fistula, initial encounter is a billable ICD-10-CM diagnosis code (T81.83A). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T81 |
| Includes | ruptured ectopic pregnancy | — |
| Use additional code | code from category O08 to identify any associated complication | code, if known, for site of fistula such as: anal fistula (K60.3-) anorectal fistula (K60.5-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources