O00 vs T80.51XD
O00 (Ectopic pregnancy) compared with T80.51XD (Anaphylactic reaction due to administration of blood and blood products, subsequent 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. T80.51XD 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 | T80.51XDAnaphylactic reaction due to administration of blood and blood products, subsequent 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). | Anaphylactic reaction due to administration of blood and blood products, subsequent encounter is a billable ICD-10-CM diagnosis code (T80.51D). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T80 |
| Includes | ruptured ectopic pregnancy | complications following perfusion |
| Use additional code | code from category O08 to identify any associated complication | 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 code to identify devices involved and details of circumstances (Y62-Y82) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources