T17.310A Gastric contents in larynx causing asphyxiation, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T17.310 with 7th character A (initial encounter).

Applies from T17 Foreign body in respiratory tract

7th character note

• The appropriate 7th character is to be added to each code from category T17

7th character required

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

Applies from T17.31 Gastric contents in larynx

Applicable to

• Aspiration of gastric contents into larynx
• Vomitus in larynx

Code annotations containing back-references to T17.310A

Back-references to T17

• Code Also: J69.0 Pneumonitis due to inhalation of food and vomit ("any associated foreign body in respiratory tract (T17.-)")
• Type 1 Excludes: R09.0 Asphyxia and hypoxemia ("asphyxia due to foreign body in respiratory tract (T17.-)")
• Type 2 Excludes: T18.1 Foreign body in esophagus ("foreign body in respiratory tract (T17.-)")
• Type 1 Excludes: T71 Asphyxiation ("asphyxia from inhalation of food or foreign body (T17.-)")
• Type 2 Excludes: Z03.82 Encounter for observation for suspected foreign body ruled out ("foreign body in respiratory tract (T17)")
• Type 1 Excludes: Z18 Retained foreign body fragments ("foreign body entering through orifice (T15-T19)")

Diagnosis Index entries for T17.310A

• Foreign body › larynx › causing › asphyxiation › gastric contents (vomitus)

Nearby codes

• T17.308A Unspecified foreign body in larynx causing other injury, initial encounter
• T17.308D Unspecified foreign body in larynx causing other injury, subsequent encounter
• T17.308S Unspecified foreign body in larynx causing other injury, sequela
• T17.31 Gastric contents in larynx
• T17.310 Gastric contents in larynx causing asphyxiation
• T17.310A Gastric contents in larynx causing asphyxiation, initial encounter (this code)
• T17.310D Gastric contents in larynx causing asphyxiation, subsequent encounter
• T17.310S Gastric contents in larynx causing asphyxiation, sequela
• T17.318 Gastric contents in larynx causing other injury
• T17.318A Gastric contents in larynx causing other injury, initial encounter
• T17.318D Gastric contents in larynx causing other injury, subsequent encounter