S04.1 vs S05.50XS
S04.1 (Injury of oculomotor nerve) compared with S05.50XS (Penetrating wound with foreign body of unspecified eyeball, sequela), 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. S05.50XS carries an Excludes2 note covering S04.1: “3rd cranial [oculomotor] nerve injury (S04.1-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S04.1Injury of oculomotor nerve | S05.50XSPenetrating wound with foreign body of unspecified eyeball, sequela | |
|---|---|---|
| Billing status | Non-billable header | 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 | Injury of oculomotor nerve is a non-billable ICD-10-CM category code (S04.1). | Penetrating wound with foreign body of unspecified eyeball, sequela is a billable ICD-10-CM diagnosis code (S05.50S). |
| 7th character | The appropriate 7th character is to be added to each code from category S04 | The appropriate 7th character is to be added to each code from category S05 |
| Includes | injuries of ear injuries of eye injuries of face [any part] injuries of gum | open wound of eye and orbit injuries of ear injuries of eye injuries of face [any part] |
| Code first | any associated intracranial injury (S06.-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources