O00 vs T84.54XA
O00 (Ectopic pregnancy) compared with T84.54XA (Infection and inflammatory reaction due to internal left knee prosthesis, 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. T84.54XA 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 | T84.54XAInfection and inflammatory reaction due to internal left knee prosthesis, 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). | Infection and inflammatory reaction due to internal left knee prosthesis, initial encounter is a billable ICD-10-CM diagnosis code (T84.54A). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T84 |
| Includes | ruptured ectopic pregnancy | — |
| Use additional code | code from category O08 to identify any associated complication | code to identify infection code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code(s) to identify the specified condition resulting from the complication |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources