T86.8491 (Unspecified complication of corneal transplant, right eye) compared with Z93 (Artificial opening status), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“artificial opening status (Z93.-)”
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. T86.8491 carries an Excludes2 note covering Z93: “artificial opening status (Z93.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| T86.8491Unspecified complication of corneal transplant, right eye | 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 | Unspecified complication of corneal transplant, right eye is a billable ICD-10-CM diagnosis code (T86.8491). | Artificial opening status is a non-billable ICD-10-CM category code (Z93). |
| Use additional code | code to identify other transplant complications, such as: graft-versus-host disease (D89.81-) malignancy associated with organ transplant (C80.2) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources