T80.51XA vs Z93
T80.51XA (Anaphylactic reaction due to administration of blood and blood products, initial encounter) compared with Z93 (Artificial opening status), 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. T80.51XA carries an Excludes2 note covering Z93: “artificial opening status (Z93.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T80.51XAAnaphylactic reaction due to administration of blood and blood products, initial encounter | Z93Artificial opening status | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Anaphylactic reaction due to administration of blood and blood products, initial encounter is a billable ICD-10-CM diagnosis code (T80.51A). | Artificial opening status is a non-billable ICD-10-CM category code (Z93). |
| 7th character | The appropriate 7th character is to be added to each code from category T80 | — |
| Includes | complications following perfusion | — |
| Use additional code | 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