T81.81XA (Complication of inhalation therapy, initial encounter) compared with Z43 (Encounter for attention to artificial openings), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“closure of external stoma (Z43.-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T81.81XA carries an Excludes2 note covering Z43: “closure of external stoma (Z43.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| T81.81XAComplication of inhalation therapy, initial encounter | Z43Encounter for attention to artificial openings | |
|---|---|---|
| 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 | Complication of inhalation therapy, initial encounter is a billable ICD-10-CM diagnosis code (T81.81A). | Encounter for attention to artificial openings is a non-billable ICD-10-CM category code (Z43). |
| 7th character | The appropriate 7th character is to be added to each code from category T81 | — |
| Includes | — | closure of artificial openings passage of sounds or bougies through artificial openings reforming artificial openings removal of catheter from artificial openings |
| 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