2022 ICD-10-CM Code M26.64

Arthritis of temporomandibular joint

Version 2021

Not Valid for Submission

Short Description:Arthritis of temporomandibular joint
Long Description:Arthritis of temporomandibular joint

Code Classification

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
      • Dentofacial anomalies [including malocclusion] (M26)

M26.64 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of arthritis of temporomandibular joint. The code is not specific and is NOT valid for the year 2022 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 for Arthritis of temporomandibular joint

Non-specific codes like M26.64 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for arthritis of temporomandibular joint:

  • BILLABLE CODE - Use M26.641 for Arthritis of right temporomandibular joint
  • BILLABLE CODE - Use M26.642 for Arthritis of left temporomandibular joint
  • BILLABLE CODE - Use M26.643 for Arthritis of bilateral temporomandibular joint
  • BILLABLE CODE - Use M26.649 for Arthritis of unspecified temporomandibular joint

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code M26.64 are found in the index:

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021