M26.643

Billable
ChapterM00–M99
Ranksubcategory
Official Description

Arthritis of bilateral temporomandibular joint

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M26-M27Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
M26Dentofacial anomalies [including malocclusion]
M26.6Temporomandibular joint disorders
M26.64Arthritis of temporomandibular joint
M26.643Arthritis of bilateral temporomandibular jointBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M26.643:

subcategoryM26.6
Temporomandibular joint disorders
View context instructions
blockM26-M27
Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

Code History

  • FY 2020: This code replaced M26.69 (Other specified disorders of temporomandibular joint)

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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