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T18.10

Unspecified foreign body in esophagus

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 3 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 4 never code together
T18code
Excludes2
  • foreign body in pharynx (T17.2-)T17.2-
T18.1code
Excludes2
  • foreign body in respiratory tract (T17.-)T17.-
S00-T88chapter
Excludes2

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 3
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 8 filed at T18

The index files this at T18. The tabular extends it — laterality, staging, or the 7th character — so these entries lead to the family rather than to T18.10 exactly.

  • Food (any type) in
    • air passages (with asphyxia, obstruction, or suffocation) T18
    • alimentary tract causing asphyxia (due to compression of trachea) T18
  • Asphyxia, asphyxiation
    • by
      • food (bone) (seed) T18
  • Aspiration
    • food (any type) (into respiratory tract) (with asphyxia, obstruction respiratory tract, suffocation) T18
  • Choked, choking (on) (any object except food or vomitus)
    • food (bone) (seed) T18
  • Compression
    • trachea by
      • food (lodged in esophagus) T18
  • Suffocation (accidental) (by external means) (by pressure) (mechanical) T71
    • due to, by
      • food, any type (aspiration) (ingestion) (inhalation) T18
  • Inhalation
    • food (any type) (into respiratory tract) (with asphyxia, obstruction respiratory tract, suffocation) T18
  • Interruption of respiration (by)
    • food (lodged in esophagus) T18
Alongside this code 3 same parent — T18.1
T18.11 Gastric contents in esophagus category T18.12 Food in esophagus category T18.19 Other foreign object in esophagus category
Subordinate codes 2
T18.100 Unsp fb in esophagus causing compression of trachea T18.108 Unspecified foreign body in esophagus causing other injury
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
T18.1
Block
T07-T88
Siblings
3
Subordinate
2

Present FY2024–FY2027.