Version 2024

2024 ICD-10-CM Diagnosis Code K12.3

Oral mucositis (ulcerative)

ICD-10-CM Code:
K12.3
ICD-10 Code for:
Oral mucositis (ulcerative)
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Diseases of the digestive system
    (K00–K95)
    • Diseases of oral cavity and salivary glands
      (K00-K14)
      • Stomatitis and related lesions
        (K12)

K12.3 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of oral mucositis (ulcerative). The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Oral mucositis (ulcerative)

Non-specific codes like K12.3 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for oral mucositis (ulcerative):

  • Use K12.30 for Oral mucositis (ulcerative), unspecified - BILLABLE CODE

  • Use K12.31 for Oral mucositis (ulcerative) due to antineoplastic therapy - BILLABLE CODE

  • Use K12.32 for Oral mucositis (ulcerative) due to other drugs - BILLABLE CODE

  • Use K12.33 for Oral mucositis (ulcerative) due to radiation - BILLABLE CODE

  • Use K12.39 for Other oral mucositis (ulcerative) - BILLABLE CODE

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.