S05.11XA (Contusion of eyeball and orbital tissues, right eye, initial encounter) compared with S05.12XA (Contusion of eyeball and orbital tissues, left eye, initial encounter), from the official CMS tabular data. S05.11XA and S05.12XA code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. S05.11XA and S05.12XA name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| S05.11XAContusion of eyeball and orbital tissues, right eye, initial encounter | S05.12XAContusion of eyeball and orbital tissues, left eye, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| 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 | Contusion of eyeball and orbital tissues, right eye, initial encounter is a billable ICD-10-CM diagnosis code (S05.11A). | Contusion of eyeball and orbital tissues, left eye, initial encounter is a billable ICD-10-CM diagnosis code (S05.12A). |
| 7th character | The appropriate 7th character is to be added to each code from category S05 | The appropriate 7th character is to be added to each code from category S05 |
| Includes | open wound of eye and orbit injuries of ear injuries of eye injuries of face [any part] | open wound of eye and orbit injuries of ear injuries of eye injuries of face [any part] |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources