T18.108A — Unspecified foreign body in esophagus causing other injury, initial encounter
Is T18.108A billable?
Yes, but T18.108A is an unspecified code. T18.108A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T18.108A 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 T18.108A — the more specific alternatives are listed below.
T18.108A at a glance
| Code | T18.108A |
|---|---|
| Description | Unspecified foreign body in esophagus 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 T18.108A?
In T18.108A, the 7th character A means initial encounter. The 7th character is required for T18.108A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T18.108A group to?
T18.108A sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 393Other Digestive System Diagnoses with MCCmedical
- 394Other Digestive System Diagnoses with CCmedical
- 395Other Digestive System Diagnoses without CC/MCCmedical
How is T18.108A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T18.108, the nearest indexed parent of T18.108A. Use them to find the family, then select the specific code.
- Foreign body › esophagus
- Foreign body › esophagus › causing › injury NEC
How is T18.108A listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under T18, the nearest indexed parent of T18.108A. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Aspiration › food
- Choked, choking › food (on) (any object except food or vomitus)
- Foodin › air passages (any type)
- Foodin › alimentary tract causing asphyxia (any type)
- Asphyxia, asphyxiation › by › food
- Compression › trachea by › food
Use additional code — inherited from Chapter 19
Report an additional code alongside T18.108A to fully describe the condition. T18.108A 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 T18.108A to fully describe the condition. T18.108A 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 T18.108A, but a patient may have both at the same time. When documentation supports it, T18.108A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T18.108A, but a patient may have both at the same time. When documentation supports it, T18.108A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T18
The conditions below are not part of T18.108A, but a patient may have both at the same time. When documentation supports it, T18.108A and the excluded code may both be reported.
- foreign body in pharynx (T17.2-)
Excludes2 — not included here — inherited from T18.1
The conditions below are not part of T18.108A, but a patient may have both at the same time. When documentation supports it, T18.108A and the excluded code may both be reported.
- foreign body in respiratory tract (T17.-)
How long has T18.108A existed?
T18.108A 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.