T17.2 vs T18
T17.2 (Foreign body in pharynx) compared with T18 (Foreign body in alimentary tract), 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. T18 carries an Excludes2 note covering T17.2: “foreign body in pharynx (T17.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T17.2Foreign body in pharynx | T18Foreign body in alimentary tract | |
|---|---|---|
| Billing status | Non-billable header Report instead: T17.200A, T17.200D, T17.200S, T17.208A, T17.208D | Non-billable header Report instead: T18.0XXA, T18.0XXD, T18.0XXS, T18.100A, T18.100D |
| 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 | Foreign body in pharynx is a non-billable ICD-10-CM category code (T17.2). | Foreign body in alimentary tract is a non-billable ICD-10-CM category code (T18). |
| 7th character | The appropriate 7th character is to be added to each code from category T17 | The appropriate 7th character is to be added to each code from category T18 |
| Includes | Foreign body in nasopharynx Foreign body in throat NOS | — |
| Use additional code | code, if known, for foreign body entering into or through a natural orifice (W44.-) | 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