T17.21 Gastric contents in pharynx

Non-billable header with 2 child codes.

Applicable to

• Aspiration of gastric contents into pharynx
• Vomitus in pharynx

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 T17.2 Foreign body in pharynx

Applicable to

• Foreign body in nasopharynx
• Foreign body in throat NOS

Codes under T17.21

• T17.210 Gastric contents in pharynx causing asphyxiation
• T17.218 Gastric contents in pharynx causing other injury

Code annotations containing back-references to T17.21

Back-references to T17.2

• Type 2 Excludes: R09.89 Other specified symptoms and signs involving the circulatory and respiratory systems ("foreign body in throat (T17.2-)")
• Type 2 Excludes: T18 Foreign body in alimentary tract ("foreign body in pharynx (T17.2-)")

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)")

Nearby codes

• T17.200S Unspecified foreign body in pharynx causing asphyxiation, sequela
• T17.208 Unspecified foreign body in pharynx causing other injury
• T17.208A Unspecified foreign body in pharynx causing other injury, initial encounter
• T17.208D Unspecified foreign body in pharynx causing other injury, subsequent encounter
• T17.208S Unspecified foreign body in pharynx causing other injury, sequela
• T17.21 Gastric contents in pharynx (this code)
• T17.210 Gastric contents in pharynx causing asphyxiation
• T17.210A Gastric contents in pharynx causing asphyxiation, initial encounter
• T17.210D Gastric contents in pharynx causing asphyxiation, subsequent encounter
• T17.210S Gastric contents in pharynx causing asphyxiation, sequela
• T17.218 Gastric contents in pharynx causing other injury