S21.91XD (Laceration without foreign body of unspecified part of thorax, subsequent encounter) compared with T17.5 (Foreign body in bronchus), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“effects of foreign body in bronchus (T17.5)”
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. S21.91XD carries an Excludes2 note covering T17.5: “effects of foreign body in bronchus (T17.5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| S21.91XDLaceration without foreign body of unspecified part of thorax, subsequent encounter | T17.5Foreign body in bronchus | |
|---|---|---|
| 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 | Laceration without foreign body of unspecified part of thorax, subsequent encounter is a billable ICD-10-CM diagnosis code (S21.91D). | Foreign body in bronchus is a non-billable ICD-10-CM category code (T17.5). |
| 7th character | The appropriate 7th character is to be added to each code from category S21 | The appropriate 7th character is to be added to each code from category T17 |
| Includes | injuries of breast injuries of chest (wall) injuries of interscapular area | — |
| 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