Unsp foreign body in pharynx causing asphyxiation, init

This code signifies a patient presenting with an obstruction in the pharynx due to an unidentified foreign object, leading to a life-threatening lack of oxygen. The "initial encounter" designation indicates that this is the first time the patient is receiving active treatment for this specific condition.

Use this code for emergency department visits or initial hospital admissions where a foreign body in the throat has caused asphyxiation, but the specific object is not yet identified. This applies when the patient is actively being treated for the acute effects of the airway obstruction.

• Only use the "A" (initial encounter) seventh character for the period of active treatment for the acute injury.
• Avoid using this code if the specific foreign body is known; instead, select a more specific T17.2- code.
• Do not use for sequelae or follow-up care once the acute asphyxiation has been resolved; consider codes from the T17.2- category with appropriate seventh characters for subsequent encounters.