M26.603 – Bilateral temporomandibular joint disorder, unspecified

ICD-10-CM 2027 diagnosis code · Dentofacial anomalies [including malocclusion] and other disorders of jaw

Billable code

ICD-10-CM code M26.603

Code: M26.603 (claims format: M26603)
Description: Bilateral temporomandibular joint disorder, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw
Parent codes: M26 › M26.6 › M26.60

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M26.6 – Temporomandibular joint disorders

Excludes2 (not included here):

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

Block M26-M27

Excludes1 (not coded here):

hemifacial atrophy or hypertrophy (Q67.4)
unilateral condylar hyperplasia or hypoplasia (M27.8)

Related codes in M26.60

Frequently asked questions

What is ICD-10 code M26.603?

M26.603 is the ICD-10-CM code for bilateral temporomandibular joint disorder, unspecified, in the block M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).

Is M26.603 a billable code?

Yes. M26.603 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M26.603 belong to?

It belongs to category M26 – Dentofacial anomalies [including malocclusion].

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.