M26 Dentofacial anomalies [including malocclusion]

Codes

• M26.0Major anomalies of jaw size

  • M26.00Unspecified anomaly of jaw size
  • M26.01Maxillary hyperplasia
  • M26.02Maxillary hypoplasia
  • M26.03Mandibular hyperplasia
  • M26.04Mandibular hypoplasia
  • M26.05Macrogenia
  • M26.06Microgenia
  • M26.07Excessive tuberosity of jaw
  • M26.09Other specified anomalies of jaw size
• M26.1Anomalies of jaw-cranial base relationship

  • M26.10Unspecified anomaly of jaw-cranial base relationship
  • M26.11Maxillary asymmetry
  • M26.12Other jaw asymmetry
  • M26.19Other specified anomalies of jaw-cranial base relationship
• M26.2Anomalies of dental arch relationship

  • M26.20Unspecified anomaly of dental arch relationship
  • M26.21Malocclusion, Angle's class

    • M26.211Malocclusion, Angle's class I
    • M26.212Malocclusion, Angle's class II
    • M26.213Malocclusion, Angle's class III
    • M26.219Malocclusion, Angle's class, unspecified
  • M26.22Open occlusal relationship

    • M26.220Open anterior occlusal relationship
    • M26.221Open posterior occlusal relationship
  • M26.23Excessive horizontal overlap
  • M26.24Reverse articulation
  • M26.25Anomalies of interarch distance
  • M26.29Other anomalies of dental arch relationship
• M26.3Anomalies of tooth position of fully erupted tooth or teeth

  • M26.30Unspecified anomaly of tooth position of fully erupted tooth or teeth
  • M26.31Crowding of fully erupted teeth
  • M26.32Excessive spacing of fully erupted teeth
  • M26.33Horizontal displacement of fully erupted tooth or teeth
  • M26.34Vertical displacement of fully erupted tooth or teeth
  • M26.35Rotation of fully erupted tooth or teeth
  • M26.36Insufficient interocclusal distance of fully erupted teeth (ridge)
  • M26.37Excessive interocclusal distance of fully erupted teeth
  • M26.39Other anomalies of tooth position of fully erupted tooth or teeth
• M26.4Malocclusion, unspecified
• M26.5Dentofacial functional abnormalities

  • M26.50Dentofacial functional abnormalities, unspecified
  • M26.51Abnormal jaw closure
  • M26.52Limited mandibular range of motion
  • M26.53Deviation in opening and closing of the mandible
  • M26.54Insufficient anterior guidance
  • M26.55Centric occlusion maximum intercuspation discrepancy
  • M26.56Non-working side interference
  • M26.57Lack of posterior occlusal support
  • M26.59Other dentofacial functional abnormalities
• M26.6Temporomandibular joint disorders

  • M26.60Temporomandibular joint disorder, unspecified

    • M26.601Right temporomandibular joint disorder, unspecified
    • M26.602Left temporomandibular joint disorder, unspecified
    • M26.603Bilateral temporomandibular joint disorder, unspecified
    • M26.609Unspecified temporomandibular joint disorder, unspecified side
  • M26.61Adhesions and ankylosis of temporomandibular joint

    • M26.611Adhesions and ankylosis of right temporomandibular joint
    • M26.612Adhesions and ankylosis of left temporomandibular joint
    • M26.613Adhesions and ankylosis of bilateral temporomandibular joint
    • M26.619Adhesions and ankylosis of temporomandibular joint, unspecified side
  • M26.62Arthralgia of temporomandibular joint

    • M26.621Arthralgia of right temporomandibular joint
    • M26.622Arthralgia of left temporomandibular joint
    • M26.623Arthralgia of bilateral temporomandibular joint
    • M26.629Arthralgia of temporomandibular joint, unspecified side
  • M26.63Articular disc disorder of temporomandibular joint

    • M26.631Articular disc disorder of right temporomandibular joint
    • M26.632Articular disc disorder of left temporomandibular joint
    • M26.633Articular disc disorder of bilateral temporomandibular joint
    • M26.639Articular disc disorder of temporomandibular joint, unspecified side
  • M26.64Arthritis of temporomandibular joint

    • M26.641Arthritis of right temporomandibular joint
    • M26.642Arthritis of left temporomandibular joint
    • M26.643Arthritis of bilateral temporomandibular joint
    • M26.649Arthritis of unspecified temporomandibular joint
  • M26.65Arthropathy of temporomandibular joint

    • M26.651Arthropathy of right temporomandibular joint
    • M26.652Arthropathy of left temporomandibular joint
    • M26.653Arthropathy of bilateral temporomandibular joint
    • M26.659Arthropathy of unspecified temporomandibular joint
  • M26.69Other specified disorders of temporomandibular joint
• M26.7Dental alveolar anomalies

  • M26.70Unspecified alveolar anomaly
  • M26.71Alveolar maxillary hyperplasia
  • M26.72Alveolar mandibular hyperplasia
  • M26.73Alveolar maxillary hypoplasia
  • M26.74Alveolar mandibular hypoplasia
  • M26.79Other specified alveolar anomalies
• M26.8Other dentofacial anomalies

  • M26.81Anterior soft tissue impingement
  • M26.82Posterior soft tissue impingement
  • M26.89Other dentofacial anomalies
• M26.9Dentofacial anomaly, unspecified