T18.120A Food in esophagus causing compression of trachea, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T18.120 with 7th character A (initial encounter).

Applies from T18 Foreign body in alimentary tract

Excludes2 (not included here)

• foreign body in pharynx (T17.2-)

7th character note

• The appropriate 7th character is to be added to each code from category T18

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from T18.1 Foreign body in esophagus

Excludes2 (not included here)

• foreign body in respiratory tract (T17.-)

Applies from T18.12 Food in esophagus

Applicable to

• Bones in esophagus
• Seeds in esophagus

Applies from T18.120 Food in esophagus causing compression of trachea

Applicable to

• Food in esophagus causing obstruction of respiration

Code annotations containing back-references to T18.120A

Back-references to T18.1

• Use Additional: T56 Toxic effect of metals ("code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)")

Back-references to T18

• Type 2 Excludes: Z03.82 Encounter for observation for suspected foreign body ruled out ("foreign body in alimentary tract (T18)")
• Type 1 Excludes: Z18 Retained foreign body fragments ("foreign body entering through orifice (T15-T19)")

Diagnosis Index entries for T18.120A

• Foreign body › esophagus › causing › tracheal compression › food (bone) (seed)

Nearby codes

• T18.118A Gastric contents in esophagus causing other injury, initial encounter
• T18.118D Gastric contents in esophagus causing other injury, subsequent encounter
• T18.118S Gastric contents in esophagus causing other injury, sequela
• T18.12 Food in esophagus
• T18.120 Food in esophagus causing compression of trachea
• T18.120A Food in esophagus causing compression of trachea, initial encounter (this code)
• T18.120D Food in esophagus causing compression of trachea, subsequent encounter
• T18.120S Food in esophagus causing compression of trachea, sequela
• T18.128 Food in esophagus causing other injury
• T18.128A Food in esophagus causing other injury, initial encounter
• T18.128D Food in esophagus causing other injury, subsequent encounter