2025 ICD-10-CM Diagnosis Code K03.1

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Abrasion of teeth

  • K03.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM K03.1 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of K03.1 – other international versions of ICD-10 K03.1 may differ.

Applicable To

  • Dentifrice abrasion of teeth
  • Habitual abrasion of teeth
  • Occupational abrasion of teeth
  • Ritual abrasion of teeth
  • Traditional abrasion of teeth
  • Wedge defect NOS

The following code(s) above K03.1 contain annotation back-references

 that may be applicable to K03.1:

  • K00-K95  Diseases of the digestive system
  • K03  Other diseases of hard tissues of teeth

Approximate Synonyms

  • Abrasion of tooth

Clinical Information

  • The pathologic wearing away of the tooth substance by brushing, bruxism, clenching, and other mechanical causes. It is differentiated from tooth attrition in that this type of wearing away is the result of tooth-to-tooth contact, as in mastication, occurring only on the occlusal, incisal, and proximal surfaces. It differs also from tooth erosion, the progressive loss of the hard substance of a tooth by chemical processes not involving bacterial action. (from jablonski, dictionary of dentistry, 1992, p2)

ICD-10-CM K03.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 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

Convert K03.1 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 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 K03.1:

  • AbrasionT14.8
    • dental K03.1
    • tooth, teeth K03.1 (dentifrice) (habitual) (hard tissues) (occupational) (ritual) (traditional)
  • Defect, defectiveQ89.9
    • teeth, wedge K03.1
    • wedge, tooth, teeth K03.1 (abrasion)
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