Corrosions of ear drum

Not billableICD-10-CM diagnosis code.

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:

T28.911 Corrosions of right ear drum (also a header)
T28.912 Corrosions of left ear drum (also a header)
T28.919 Corrosions of unspecified ear drum (also a header)

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

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Corrosions of ear drum

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 T28 Burn and corrosion of other internal organs

Seventh character required

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

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 > head > ear
Corrosion > ear > drum

Codes in the same group

Code	Description	Status
T28.90	Corrosions of unspecified internal organs	Not billable
T28.99	Corrosions of other internal organs	Not billable