T78.3XXD vs T88
T78.3XXD (Angioneurotic edema, subsequent encounter) compared with T88 (Other complications of surgical and medical care, not elsewhere classified), 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. T78.3XXD carries an Excludes2 note covering T88: “complications of surgical and medical care NEC (T80-T88)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T78.3XXDAngioneurotic edema, subsequent encounter | T88Other complications of surgical and medical care, not elsewhere classified | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T88.0XXA, T88.0XXD, T88.0XXS, T88.1XXA, T88.1XXD |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Angioneurotic edema, subsequent encounter is a billable ICD-10-CM diagnosis code (T78.3D). | Other complications of surgical and medical care, not elsewhere classified is a non-billable ICD-10-CM category code (T88). |
| 7th character | The appropriate 7th character is to be added to each code from category T78 | The appropriate 7th character is to be added to each code from category T88 |
| Includes | Allergic angioedema Giant urticaria Quincke's edema | — |
| 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