T88.53XD vs Z93
T88.53XD (Unintended awareness under general anesthesia during procedure, subsequent 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. T88.53XD 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
| T88.53XDUnintended awareness under general anesthesia during procedure, subsequent 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 | Unintended awareness under general anesthesia during procedure, subsequent encounter is a billable ICD-10-CM diagnosis code (T88.53D). | 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 T88 | — |
| 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