ICD-10-CM › S00-T88 › T26-T28 › T27 Burn and corrosion of respiratory tract › T27.6

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

• T27.6XXA Corrosion of other parts of respiratory tract, initial encounter
• T27.6XXD Corrosion of other parts of respiratory tract, subsequent encounter
• T27.6XXS Corrosion of other parts of respiratory tract, sequela

This code requires a seventh character. See the rule below.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from T27 Burn and corrosion of respiratory tract

Seventh character required

• The appropriate 7th character is to be added to each code from category T27

Use additional code

• external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)
• external cause code to identify place (Y92)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Corrosion > inhalation
• Burn > inhalation > caustic or corrosive substance
• Corrosion > respiratory tract > specified part NEC

Codes in the same group

Code	Description	Status
T27.0	Burn of larynx and trachea	Not billable
T27.1	Burn involving larynx and trachea with lung	Not billable
T27.2	Burn of other parts of respiratory tract	Not billable
T27.3	Burn of respiratory tract, part unspecified	Not billable
T27.4	Corrosion of larynx and trachea	Not billable
T27.5	Corrosion involving larynx and trachea with lung	Not billable
T27.7	Corrosion of respiratory tract, part unspecified	Not billable