AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes
Arthritis and Arthropathy of Temporomandibular Joint
he following two new sub-subcategories were created at subcategory M26.6, Temporomandibular joint disorders, to distinguish arthritis from arthropathy of the temporomandibular joints. M26.64-, Arthritis of temporomandibular joint M26.65-, Arthropathy of temporomandibular joint Sixth characters at each of the new sub-subcategories identify laterality (i.e., right, left, bilateral and unspecified). ...
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Article Overview
This article covers a focused ICD-10-CM update related to temporomandibular joint disorders. It explains the creation of new sub-subcategories to distinguish related joint conditions and notes that laterality is identified with sixth characters. The content is relevant to coding professionals, billing staff, and anyone tracking diagnosis coding updates for jaw joint disorders.
Why This Topic Matters
Changes to diagnosis code structure can affect code selection, reporting accuracy, and record consistency for temporomandibular joint conditions. Understanding the updated ICD-10-CM organization helps coders and related staff recognize where these diagnoses belong in the code set.
What You Will Learn
- How the temporomandibular joint disorder category was updated
- How laterality is represented within the new structure
- Which broad diagnosis group the article addresses
- How the change affects classification of related jaw joint conditions
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Clinical documentation staff
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
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