T17.998S — Other foreign object in respiratory tract, part unspecified causing other injury, sequela
Is T17.998S billable?
Yes, but T17.998S is an unspecified code. T17.998S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T17.998S 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 T17.998S — the more specific alternatives are listed below.
More specific alternatives
- T17.0XXSForeign body in nasal sinus, sequela
- T17.1XXSForeign body in nostril, sequela
- T17.200SUnspecified foreign body in pharynx causing asphyxiation, sequela
- T17.300SUnspecified foreign body in larynx causing asphyxiation, sequela
- T17.400SUnspecified foreign body in trachea causing asphyxiation, sequela
- T17.500SUnspecified foreign body in bronchus causing asphyxiation, sequela
- T17.800SUnspecified foreign body in other parts of respiratory tract causing asphyxiation, sequela
T17.998S at a glance
| Code | T17.998S |
|---|---|
| Description | Other foreign object in respiratory tract, part unspecified causing other injury, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in T17.998S?
In T17.998S, the 7th character S means sequela. The 7th character is required for T17.998S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T17.998S group to?
T17.998S sits in MDC 21 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.
- 913Traumatic Injury with MCCmedical
- 914Traumatic Injury without MCCmedical
How is T17.998S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T17.998, the nearest indexed parent of T17.998S. Use them to find the family, then select the specific code.
- Foreign body › respiratory tract › causing › injury NEC › specified type NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside T17.998S to fully describe the condition. T17.998S 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 T17.998S to fully describe the condition. T17.998S 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 T17.998S, but a patient may have both at the same time. When documentation supports it, T17.998S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T17.998S, but a patient may have both at the same time. When documentation supports it, T17.998S and the excluded code may both be reported.
How long has T17.998S existed?
T17.998S 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.