M26.613 Adhesions and ankylosis of bilateral temporomandibular joint

Billable ICD-10-CM code, FY2026.

Applies from M26.6 Temporomandibular joint disorders

Excludes2 (not included here)

• current temporomandibular joint dislocation (S03.0)
• current temporomandibular joint sprain (S03.4)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 524.61 Temporomandibular joint disorders, adhesions and ankylosis (bony or fibrous) (approximate)

Code annotations containing back-references to M26.613

Back-references to M26.6

• Type 2 Excludes: M24 Other specific joint derangements ("temporomandibular joint disorders (M26.6-)")
• Type 2 Excludes: M25 Other joint disorder, not elsewhere classified ("temporomandibular joint disorder (M26.6-)")

Back-references to M26

• Type 2 Excludes: K08 Other disorders of teeth and supporting structures ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q18 Other congenital malformations of face and neck ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q38 Other congenital malformations of tongue, mouth and pharynx ("dentofacial anomalies (M26.-)")
• Type 1 Excludes: Q67.4 Other congenital deformities of skull, face and jaw ("dentofacial anomalies [including malocclusion] (M26.-)")
• Type 1 Excludes: Q75 Other congenital malformations of skull and face bones ("dentofacial anomalies [including malocclusion] (M26.-)")

Nearby codes

• M26.603 Bilateral temporomandibular joint disorder, unspecified
• M26.609 Unspecified temporomandibular joint disorder, unspecified side
• M26.61 Adhesions and ankylosis of temporomandibular joint
• M26.611 Adhesions and ankylosis of right temporomandibular joint
• M26.612 Adhesions and ankylosis of left temporomandibular joint
• M26.613 Adhesions and ankylosis of bilateral temporomandibular joint (this code)
• M26.619 Adhesions and ankylosis of temporomandibular joint, unspecified side
• M26.62 Arthralgia of temporomandibular joint
• M26.621 Arthralgia of right temporomandibular joint
• M26.622 Arthralgia of left temporomandibular joint
• M26.623 Arthralgia of bilateral temporomandibular joint