T27.7⚠ Requires 7th Character

Corrosion of respiratory tract, part unspecified

⚠ 7th Character Required

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

This code is not valid for billing without a 7th character. Append one of the following to T27.7:

Ainitial encounterT27.7XXADsubsequent encounterT27.7XXDSsequelaT27.7XXS

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to T27.7 in the official ICD-10-CM Alphabetic Index.

Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), respiratory tract

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T26-T28Burns and corrosions confined to eye and internal organs (T26-T28)├T27Burn and corrosion of respiratory tract
└T27.7Corrosion of respiratory tract, part unspecified

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