T28.99⚠ Requires 7th Character

Corrosions of other internal organs

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category T28

This code is not valid for billing without a 7th character. Append one of the following to T28.99:

Ainitial encounterT28.99XADsubsequent encounterT28.99XDSsequelaT28.99XS

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

These clinical terms, synonyms, and manifestations all map to T28.99 in the official ICD-10-CM Alphabetic Index.

Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), internal organ (s), specified organ NEC

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)├T28Burn and corrosion of other internal organs
└T28.99Corrosions of other internal organs

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