U.S. ICD-10-CM · FY 2027

M26.609 ICD-10-CM Code: Unspecified temporomandibular joint disorder, unspecified side

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

M26.609

Unspecified temporomandibular joint disorder, unspecified side

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M26.609 sits

  1. 1

    Chapter 13

    Diseases of the musculoskeletal system and connective tissue (M00-M99)

  2. 2

    Section

    Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)

  3. 3

    Category M26

    Dentofacial anomalies [including malocclusion]

  4. 4

    Subcategory M26.60

    Temporomandibular joint disorder, unspecified

  5. 5

    Code M26.609

    Unspecified temporomandibular joint disorder, unspecified side

Documentation details

Notes for this code

Inclusion terms

  • Temporomandibular joint disorder NOS

Code first

No “code first” instruction is listed for M26.609.

Use additional code

No “use additional code” instruction is listed for M26.609.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for M26.609.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for M26.609.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M26.609 mean?

M26.609 is the FY 2027 U.S. ICD-10-CM code for “Unspecified temporomandibular joint disorder, unspecified side.”

Is M26.609 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, M26.609 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is M26.609 located in ICD-10-CM?

M26.609 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27) (M26–M27), under category M26, Dentofacial anomalies [including malocclusion] and subcategory M26.60, Temporomandibular joint disorder, unspecified.

What coding notes are listed for M26.609?

Its listed inclusion terms are Temporomandibular joint disorder NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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