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Code
Description

ICD-10-CM Code K12.33
Oral mucositis (ulcerative) due to radiation

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

K12.33 is a billable ICD code used to specify a diagnosis of oral mucositis (ulcerative) due to radiation. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code K12 is used to code Mouth ulcer

A mouth ulcer (also termed an oral ulcer, or a mucosal ulcer) is an ulcer that occurs on the mucous membrane of the oral cavity. Mouth ulcers are very common, occurring in association with many diseases and by many different mechanisms, but usually there is no serious underlying cause.

Specialty: Oral Medicine
MeSH Code: D019226
ICD 9 Code: 528.9

A mouth ulcer (in this case associated with aphthous stomatitis) on the labial mucosa (lining of the lower lip).

Coding Notes for K12.33 Info for medical coders on how to properly use this ICD-10 code

Additional Code Note:
Use Additional Code
Use Additional Code note means a second code must be used in conjunction with this code. Codes with this note are Etiology codes and must be followed by a Manifestation code or codes.
External cause code See Section W88-W90, X39.0-) to identify cause

MS-DRG Mapping

  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with MCC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with CC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses without CC or MCC.
  • DRG Group #157-159 - Dental and oral diseases with MCC.
  • DRG Group #157-159 - Dental and oral diseases with CC.
  • DRG Group #157-159 - Dental and oral diseases without CC or MCC.

ICD-10-CM Alphabetical Index References for 'K12.33 - Oral mucositis (ulcerative) due to radiation'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K12.33. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Mucositis (ulcerative) due to antineoplastic therapy (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code K12.33 and a single ICD9 code, 528.01 is an approximate match for comparison and conversion purposes.


Parent Code: K12.3 - Oral mucositis (ulcerative)

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/K1233