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M26.643

Billable

Arthritis of bilateral temporomandibular joint

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Inflammation and degeneration affecting both sides of the jaw joints where they connect to the skull, causing bilateral pain and jaw dysfunction.

Coding Tips

  • •Use this code only when arthritis is documented as affecting both temporomandibular joints
  • •Bilateral involvement may indicate systemic arthritis; review for underlying conditions like rheumatoid arthritis

Code Hierarchy

└M26Dentofacial anomalies [including malocclusion]└M26.6Temporomandibular joint disorders└M26.64Arthritis of temporomandibular joint└M26.643Arthritis of bilateral temporomandibular joint
└M26.643Arthritis of bilateral temporomandibular joint

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