T79.4 vs T88.2
T79.4 (Traumatic shock) compared with T88.2 (Shock due to anesthesia), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. T79.4 carries an Excludes1 note covering T88.2: “shock due to anesthesia (T88.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Yes, when both are documented. T79.4 carries an Excludes2 note covering T88.2: “complications occurring during or following medical procedures (T80-T88)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. T79.4 carries an Excludes2 note covering T88.2: “complications of surgical and medical care NEC (T80-T88)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T79.4Traumatic shock | T88.2Shock due to anesthesia | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Traumatic shock is a non-billable ICD-10-CM category code (T79.4). | Shock due to anesthesia is a non-billable ICD-10-CM category code (T88.2). |
| 7th character | The appropriate 7th character is to be added to each code from category T79 | The appropriate 7th character is to be added to each code from category T88 |
| Includes | Shock (immediate) (delayed) following injury | — |
| Use additional code | — | code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5) 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