T18.1 — Foreign body in esophagus
Is T18.1 billable?
No — T18.1 is a non-billable header code. T18.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 24 billable codes beneath T18.1.
Billable codes under this header
- T18.100AUnspecified foreign body in esophagus causing compression of trachea, initial encounter
- T18.100DUnspecified foreign body in esophagus causing compression of trachea, subsequent encounter
- T18.100SUnspecified foreign body in esophagus causing compression of trachea, sequela
- T18.108AUnspecified foreign body in esophagus causing other injury, initial encounter
- T18.108DUnspecified foreign body in esophagus causing other injury, subsequent encounter
- T18.108SUnspecified foreign body in esophagus causing other injury, sequela
- T18.110AGastric contents in esophagus causing compression of trachea, initial encounter
- T18.110DGastric contents in esophagus causing compression of trachea, subsequent encounter
- T18.110SGastric contents in esophagus causing compression of trachea, sequela
- T18.118AGastric contents in esophagus causing other injury, initial encounter
- T18.118DGastric contents in esophagus causing other injury, subsequent encounter
- T18.118SGastric contents in esophagus causing other injury, sequela
- T18.120AFood in esophagus causing compression of trachea, initial encounter
- T18.120DFood in esophagus causing compression of trachea, subsequent encounter
- T18.120SFood in esophagus causing compression of trachea, sequela
- T18.128AFood in esophagus causing other injury, initial encounter
- T18.128DFood in esophagus causing other injury, subsequent encounter
- T18.128SFood in esophagus causing other injury, sequela
- T18.190AOther foreign object in esophagus causing compression of trachea, initial encounter
- T18.190DOther foreign object in esophagus causing compression of trachea, subsequent encounter
- T18.190SOther foreign object in esophagus causing compression of trachea, sequela
- T18.198AOther foreign object in esophagus causing other injury, initial encounter
- T18.198DOther foreign object in esophagus causing other injury, subsequent encounter
- T18.198SOther foreign object in esophagus causing other injury, sequela
T18.1 at a glance
| Code | T18.1 |
|---|---|
| Description | Foreign body in esophagus |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T18.1 listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under T18, the nearest indexed parent of T18.1. 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
Excludes2 — not included here
The conditions below are not part of T18.1, but a patient may have both at the same time. When documentation supports it, T18.1 and the excluded code may both be reported.
- foreign body in respiratory tract (T17.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T18.1 to fully describe the condition. T18.1 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 T18.1 to fully describe the condition. T18.1 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 T18.1, but a patient may have both at the same time. When documentation supports it, T18.1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T15-T19
The conditions below are not part of T18.1, but a patient may have both at the same time. When documentation supports it, T18.1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T18
The conditions below are not part of T18.1, but a patient may have both at the same time. When documentation supports it, T18.1 and the excluded code may both be reported.
- foreign body in pharynx (T17.2-)
What codes fall under T18.1? (4)
How long has T18.1 existed?
T18.1 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.
What other codes are in the T18 family? (7)
- T18.0Foreign body in mouthnot billable
- T18.2Foreign body in stomachnot billable
- T18.3Foreign body in small intestinenot billable
- T18.4Foreign body in colonnot billable
- T18.5Foreign body in anus and rectumnot billable
- T18.8Foreign body in other parts of alimentary tractnot billable
- T18.9Foreign body of alimentary tract, part unspecifiednot billable