T17.520A Food in bronchus causing asphyxiation, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T17.520 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 T17.52 Food in bronchus

Applicable to

• Bones in bronchus
• Seeds in bronchus

Code annotations containing back-references to T17.520A

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 T17.520A

• Foreign body › bronchus › causing › asphyxiation › food (bone) (seed)

Nearby codes

• T17.518A Gastric contents in bronchus causing other injury, initial encounter
• T17.518D Gastric contents in bronchus causing other injury, subsequent encounter
• T17.518S Gastric contents in bronchus causing other injury, sequela
• T17.52 Food in bronchus
• T17.520 Food in bronchus causing asphyxiation
• T17.520A Food in bronchus causing asphyxiation, initial encounter (this code)
• T17.520D Food in bronchus causing asphyxiation, subsequent encounter
• T17.520S Food in bronchus causing asphyxiation, sequela
• T17.528 Food in bronchus causing other injury
• T17.528A Food in bronchus causing other injury, initial encounter
• T17.528D Food in bronchus causing other injury, subsequent encounter