ICD-10 code for larynx corrosion

The ICD-10-CM code for larynx corrosion is T27.4 (Corrosion of larynx and trachea). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on T27.4.

Within T27 (burn and corrosion of respiratory tract), T27.4 is specifically for corrosion of larynx and trachea. Related codes cover burn of larynx and trachea (T27.0), burn involving larynx and trachea with lung (T27.1), burn of other parts of respiratory tract (T27.2), burn of respiratory tract, part unspecified (T27.3), corrosion involving larynx and trachea with lung (T27.5), corrosion of other parts of respiratory tract (T27.6) and corrosion of respiratory tract, part unspecified (T27.7).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

Code first: (T51-T65) to identify chemical and intent.