All ICD10 Codes

M26.64

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Arthritis of temporomandibular joint

Use a more specific code (4 billable)
M26.641Arthritis of right temporomandibular jointM26.642Arthritis of left temporomandibular jointM26.643Arthritis of bilateral temporomandibular jointM26.649Arthritis of unspecified temporomandibular joint
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:
View CH13 NotesView M26-M27 NotesView M26.6 Notes

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 jointNot billable
M26.641Arthritis of right temporomandibular jointBillable
M26.642Arthritis of left temporomandibular jointBillable
M26.643Arthritis of bilateral temporomandibular jointBillable
M26.649Arthritis of unspecified temporomandibular jointBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M26.64:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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