Corrosions of other internal organs, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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.

FY2007 Added to the draft code set draft Corrosions of other internal organs, initial encounter

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 > internal organ > specified organ NEC

Codes in the same group

Code	Description	Status
T28.99XD	Corrosions of other internal organs, subsequent encounter	Valid
T28.99XS	Corrosions of other internal organs, sequela	Valid