S00.12XA vs T18.0
S00.12XA (Contusion of left eyelid and periocular area, initial encounter) compared with T18.0 (Foreign body in mouth), 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. S00.12XA carries an Excludes2 note covering T18.0: “effects of foreign body in mouth NOS (T18.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S00.12XAContusion of left eyelid and periocular area, initial encounter | T18.0Foreign body in mouth | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| 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 left eyelid and periocular area, initial encounter is a billable ICD-10-CM diagnosis code (S00.12A). | Foreign body in mouth is a non-billable ICD-10-CM category code (T18.0). |
| 7th character | The appropriate 7th character is to be added to each code from category S00 | The appropriate 7th character is to be added to each code from category T18 |
| Includes | injuries of ear injuries of eye injuries of face [any part] injuries of gum | — |
| Use additional code | — | code, if known, for foreign body entering into or through a natural orifice (W44.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources