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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Codes > 2025 ICD-10-CM Codes K00-K95 – Diseases of the digestive system (K00-K95) > 2025 ICD-10-CM Codes K00-K14 – Diseases of oral cavity and salivary glands (K00-K14) > 2025 ICD-10-CM Codes K12 – Stomatitis and related lesions (K12) > 2025 ICD-10-CM Codes K12.3 – Oral mucositis (ulcerative) > 2025 ICD-10-CM Diagnosis Code K12.32 – Oral mucositis (ulcerative) due to other drugs (K12.32)

2025 ICD-10-CM Diagnosis Code K12.32 – Oral mucositis (ulcerative) due to other drugs (K12.32)

2016201720182019202020212022202320242025Billable/Specific Code
  • K12.32 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM K12.32 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of K12.32 – other international versions of ICD-10 K12.32 may differ.

ICD-10-CM K12.32 is grouped within Diagnostic Related Group(s):

  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2016 (effective 10/1/2015): No change
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to K12.32:

  • due to drugs NEC > Mucositis (ulcerative) K12.30
  • due to drugs NEC > mouth (oral) (oropharyngeal) K12.30

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