S24.4XXD vs T17.4
S24.4XXD (Injury of thoracic sympathetic nervous system, subsequent encounter) compared with T17.4 (Foreign body in trachea), 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. S24.4XXD carries an Excludes2 note covering T17.4: “effects of foreign body in trachea (T17.4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S24.4XXDInjury of thoracic sympathetic nervous system, subsequent encounter | T17.4Foreign body in trachea | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T17.400A, T17.400D, T17.400S, T17.408A, T17.408D |
| 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 thoracic sympathetic nervous system, subsequent encounter is a billable ICD-10-CM diagnosis code (S24.4D). | Foreign body in trachea is a non-billable ICD-10-CM category code (T17.4). |
| 7th character | The appropriate 7th character is to be added to each code from category S24 | 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 Injury of cardiac plexus | — |
| 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