ICD-10-CM › K00-K95 › K00-K14 › K12 Stomatitis and related lesions › K12.3

K12.3

Oral mucositis (ulcerative)

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 5 more specific codes instead:

  • K12.30 Oral mucositis (ulcerative), unspecified
  • K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
  • K12.32 Oral mucositis (ulcerative) due to other drugs
  • K12.33 Oral mucositis (ulcerative) due to radiation
  • K12.39 Other oral mucositis (ulcerative)

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.

  1. FY2007 Added to the draft code set draft Mucositis (ulcerative) due to antineoplastic therapy
  2. FY2010 Removed from the draft draft
  3. FY2012 Returned to the draft draft

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 K12 Stomatitis and related lesions

Excludes1 - never coded here

  • cancrum oris (A69.0)
  • cheilitis (K13.0)
  • gangrenous stomatitis (A69.0)
  • herpesviral [herpes simplex] gingivostomatitis (B00.2)
  • noma (A69.0)

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Codes in the same group

CodeDescriptionStatus
K12.0 Recurrent oral aphthae Valid
K12.1 Other forms of stomatitis Valid
K12.2 Cellulitis and abscess of mouth Valid