T17.900D — Unspecified foreign body in respiratory tract, part unspecified causing asphyxiation, subsequent encounter
Is T17.900D billable?
Yes, but T17.900D is an unspecified code. T17.900D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T17.900D 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 T17.900D — the more specific alternatives are listed below.
More specific alternatives
- T17.0XXDForeign body in nasal sinus, subsequent encounter
- T17.1XXDForeign body in nostril, subsequent encounter
- T17.200DUnspecified foreign body in pharynx causing asphyxiation, subsequent encounter
- T17.300DUnspecified foreign body in larynx causing asphyxiation, subsequent encounter
- T17.400DUnspecified foreign body in trachea causing asphyxiation, subsequent encounter
- T17.500DUnspecified foreign body in bronchus causing asphyxiation, subsequent encounter
- T17.800DUnspecified foreign body in other parts of respiratory tract causing asphyxiation, subsequent encounter
T17.900D at a glance
| Code | T17.900D |
|---|---|
| Description | Unspecified foreign body in respiratory tract, part unspecified causing asphyxiation, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T17.900D?
In T17.900D, the 7th character D means subsequent encounter. The 7th character is required for T17.900D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T17.900D group to?
T17.900D sits in MDC 23 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.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T17.900D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T17.900, the nearest indexed parent of T17.900D. Use them to find the family, then select the specific code.
- Foreign body › respiratory tract › causing › asphyxiation
Use additional code — inherited from Chapter 19
Report an additional code alongside T17.900D to fully describe the condition. T17.900D 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 T17.900D to fully describe the condition. T17.900D 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 T17.900D, but a patient may have both at the same time. When documentation supports it, T17.900D and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T17.900D, but a patient may have both at the same time. When documentation supports it, T17.900D and the excluded code may both be reported.
How long has T17.900D existed?
T17.900D 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.