ICD-10-CM › S00-T88 › T26-T28 › T28 Burn and corrosion of other internal organs › T28.9

T28.9

Corrosions of other and unspecified internal organs

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:

  • T28.90 Corrosions of unspecified internal organs (also a header)
  • T28.91 Corrosions of ear drum (also a header)
  • T28.99 Corrosions of other internal organs (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.

  1. FY2012 Added to the draft code set draft Corrosions of other and unspecified internal organs

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)

Codes in the same group

CodeDescriptionStatus
T28.0 Burn of mouth and pharynx Not billable
T28.1 Burn of esophagus Not billable
T28.2 Burn of other parts of alimentary tract Not billable
T28.3 Burn of internal genitourinary organs Not billable
T28.4 Burns of other and unspecified internal organs Not billable
T28.5 Corrosion of mouth and pharynx Not billable
T28.6 Corrosion of esophagus Not billable
T28.7 Corrosion of other parts of alimentary tract Not billable
T28.8 Corrosion of internal genitourinary organs Not billable