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M26.63

Articular disc disorder of temporomandibular joint

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 14 never code together
M26.6code
Excludes2
  • current temporomandibular joint dislocation (S03.0)S03.0
  • current temporomandibular joint sprain (S03.4)S03.4
M26-M27block
Excludes1
  • hemifacial atrophy or hypertrophy (Q67.4)Q67.4
  • unilateral condylar hyperplasia or hypoplasia (M27.8)M27.8
M00-M99chapter
Excludes2
  • arthropathic psoriasis (L40.5-)L40.5-
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • compartment syndrome (traumatic) (T79.A-)T79.A-
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1
M00-M99chapter
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 1
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
Alongside this code 6 same parent — M26.6
M26.60 Temporomandibular joint disorder, unspecified category M26.61 Adhesions and ankylosis of temporomandibular joint category M26.62 Arthralgia of temporomandibular joint category M26.64 Arthritis of temporomandibular joint category M26.65 Arthropathy of temporomandibular joint category M26.69 Other specified disorders of temporomandibular joint
Subordinate codes 4
M26.631 Articular disc disorder of right temporomandibular joint M26.632 Articular disc disorder of left temporomandibular joint M26.633 Articular disc disorder of bilateral temporomandibular joint M26.639 Articular disc disorder of TMJ joint, unspecified side
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
M26.6
Block
M26-M27
Siblings
6
Subordinate
4

Present FY2024–FY2027.