T18.198A — Other foreign object in esophagus causing other injury, initial encounter
Is T18.198A billable?
Yes — T18.198A is billable for FY2027. T18.198A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T18.198A may be submitted for encounters from October 1, 2026 through September 30, 2027.
T18.198A at a glance
| Code | T18.198A |
|---|---|
| Description | Other foreign object 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 T18.198A?
In T18.198A, the 7th character A means initial encounter. The 7th character is required for T18.198A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T18.198A group to?
T18.198A 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 T18.198A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T18.198, the nearest indexed parent of T18.198A. Use them to find the family, then select the specific code.
- Foreign body › esophagus › causing › injury NEC › specified type NEC
How is T18.198A listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under T18, the nearest indexed parent of T18.198A. 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 T18.198A to fully describe the condition. T18.198A 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 T18.198A to fully describe the condition. T18.198A 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 T18.198A, but a patient may have both at the same time. When documentation supports it, T18.198A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T18.198A, but a patient may have both at the same time. When documentation supports it, T18.198A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T18
The conditions below are not part of T18.198A, but a patient may have both at the same time. When documentation supports it, T18.198A 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 T18.198A, but a patient may have both at the same time. When documentation supports it, T18.198A and the excluded code may both be reported.
- foreign body in respiratory tract (T17.-)
How long has T18.198A existed?
T18.198A 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.