T17.408A — Unspecified foreign body in trachea causing other injury, initial encounter
Is T17.408A billable?
Yes, but T17.408A is an unspecified code. T17.408A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T17.408A is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T17.408A — the more specific alternatives are listed below.
T17.408A at a glance
| Code | T17.408A |
|---|---|
| Description | Unspecified foreign body in trachea causing other injury, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in T17.408A?
In T17.408A, the 7th character A means initial encounter. The 7th character is required for T17.408A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T17.408A group to?
T17.408A sits in MDC 04 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 205Other Respiratory System Diagnoses with MCCmedical
- 206Other Respiratory System Diagnoses without MCCmedical
As a secondary diagnosis, T17.408A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is T17.408A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T17.408, the nearest indexed parent of T17.408A. Use them to find the family, then select the specific code.
- Foreign body › trachea
- Foreign body › trachea › causing › injury NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside T17.408A to fully describe the condition. T17.408A is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T15-T19
Report an additional code alongside T17.408A to fully describe the condition. T17.408A is sequenced first.
- code, if known, for foreign body entering into or through a natural orifice (W44.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T17.408A, but a patient may have both at the same time. When documentation supports it, T17.408A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T17.408A, but a patient may have both at the same time. When documentation supports it, T17.408A and the excluded code may both be reported.
How long has T17.408A existed?
T17.408A has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.