S22.5XXK vs T17.5
S22.5XXK (Flail chest, subsequent encounter for fracture with nonunion) compared with T17.5 (Foreign body in bronchus), 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. S22.5XXK 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.
Side by side
| S22.5XXKFlail chest, subsequent encounter for fracture with nonunion | T17.5Foreign body in bronchus | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T17.500A, T17.500D, T17.500S, T17.508A, T17.508D |
| 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 | Flail chest, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S22.5K). | 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 S22 | The appropriate 7th character is to be added to each code from category T17 |
| Includes | fracture of thoracic neural arch fracture of thoracic spinous process fracture of thoracic transverse process fracture of thoracic vertebra | — |
| Use additional code | — | code, if known, for foreign body entering into or through a natural orifice (W44.-) |
| Code first | , if applicable, spinal cord injury (S24.0-, S24.1-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources