ICD-10-CM Codes M00-M99 M26-M27

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

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( M20-M25 )

( M30-M36 )

Excludes-1 for M26-M27:

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

Code List:

M26

Code hierarchy

M26 Dentofacial anomalies [including malocclusion]
- M26.0 Major anomalies of jaw size
  - M26.00 Unspecified anomaly of jaw size
  - M26.01 Maxillary hyperplasia
  - M26.02 Maxillary hypoplasia
  - M26.03 Mandibular hyperplasia
  - M26.04 Mandibular hypoplasia
  - M26.05 Macrogenia
  - M26.06 Microgenia
  - M26.07 Excessive tuberosity of jaw
  - M26.09 Other specified anomalies of jaw size
- M26.1 Anomalies of jaw-cranial base relationship
  - M26.10 Unspecified anomaly of jaw-cranial base relationship
  - M26.11 Maxillary asymmetry
  - M26.12 Other jaw asymmetry
  - M26.19 Other specified anomalies of jaw-cranial base relationship
- M26.2 Anomalies of dental arch relationship
  - M26.20 Unspecified anomaly of dental arch relationship
  - M26.21 Malocclusion, Angle's class
    - M26.211 Malocclusion, Angle's class I
    - M26.212 Malocclusion, Angle's class II
    - M26.213 Malocclusion, Angle's class III
    - M26.219 Malocclusion, Angle's class, unspecified
  - M26.22 Open occlusal relationship
    - M26.220 Open anterior occlusal relationship
    - M26.221 Open posterior occlusal relationship
  - M26.23 Excessive horizontal overlap
  - M26.24 Reverse articulation
  - M26.25 Anomalies of interarch distance
  - M26.29 Other anomalies of dental arch relationship
- M26.3 Anomalies of tooth position of fully erupted tooth or teeth
  - M26.30 Unspecified anomaly of tooth position of fully erupted tooth or teeth
  - M26.31 Crowding of fully erupted teeth
  - M26.32 Excessive spacing of fully erupted teeth
  - M26.33 Horizontal displacement of fully erupted tooth or teeth
  - M26.34 Vertical displacement of fully erupted tooth or teeth
  - M26.35 Rotation of fully erupted tooth or teeth
  - M26.36 Insufficient interocclusal distance of fully erupted teeth (ridge)
  - M26.37 Excessive interocclusal distance of fully erupted teeth
  - M26.39 Other anomalies of tooth position of fully erupted tooth or teeth
- M26.4 Malocclusion, unspecified
- M26.5 Dentofacial functional abnormalities
  - M26.50 Dentofacial functional abnormalities, unspecified
  - M26.51 Abnormal jaw closure
  - M26.52 Limited mandibular range of motion
  - M26.53 Deviation in opening and closing of the mandible
  - M26.54 Insufficient anterior guidance
  - M26.55 Centric occlusion maximum intercuspation discrepancy
  - M26.56 Non-working side interference
  - M26.57 Lack of posterior occlusal support
  - M26.59 Other dentofacial functional abnormalities
- M26.6 Temporomandibular joint disorders
  - M26.60 Temporomandibular joint disorder, unspecified
    - M26.601 Right temporomandibular joint disorder, unspecified
    - M26.602 Left temporomandibular joint disorder, unspecified
    - 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
    - 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
    - M26.629 Arthralgia of temporomandibular joint, unspecified side
  - M26.63 Articular disc disorder of temporomandibular joint
    - 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 temporomandibular joint, unspecified side
  - M26.64 Arthritis of temporomandibular joint
    - M26.641 Arthritis of right temporomandibular joint
    - M26.642 Arthritis of left temporomandibular joint
    - M26.643 Arthritis of bilateral temporomandibular joint
    - M26.649 Arthritis of unspecified temporomandibular joint
  - M26.65 Arthropathy of temporomandibular joint
    - M26.651 Arthropathy of right temporomandibular joint
    - M26.652 Arthropathy of left temporomandibular joint
    - M26.653 Arthropathy of bilateral temporomandibular joint
    - M26.659 Arthropathy of unspecified temporomandibular joint
  - M26.69 Other specified disorders of temporomandibular joint
- M26.7 Dental alveolar anomalies
  - M26.70 Unspecified alveolar anomaly
  - M26.71 Alveolar maxillary hyperplasia
  - M26.72 Alveolar mandibular hyperplasia
  - M26.73 Alveolar maxillary hypoplasia
  - M26.74 Alveolar mandibular hypoplasia
  - M26.79 Other specified alveolar anomalies
- M26.8 Other dentofacial anomalies
  - M26.81 Anterior soft tissue impingement
  - M26.82 Posterior soft tissue impingement
  - M26.89 Other dentofacial anomalies
- M26.9 Dentofacial anomaly, unspecified

Dentofacial anomalies [including malocclusion]

M27

Code hierarchy

M27 Other diseases of jaws
- M27.0 Developmental disorders of jaws
- M27.1 Giant cell granuloma, central
- M27.2 Inflammatory conditions of jaws
- M27.3 Alveolitis of jaws
- M27.4 Other and unspecified cysts of jaw
  - M27.40 Unspecified cyst of jaw
  - M27.49 Other cysts of jaw
- M27.5 Periradicular pathology associated with previous endodontic treatment
  - M27.51 Perforation of root canal space due to endodontic treatment
  - M27.52 Endodontic overfill
  - M27.53 Endodontic underfill
  - M27.59 Other periradicular pathology associated with previous endodontic treatment
- M27.6 Endosseous dental implant failure
  - M27.61 Osseointegration failure of dental implant
  - M27.62 Post-osseointegration biological failure of dental implant
  - M27.63 Post-osseointegration mechanical failure of dental implant
  - M27.69 Other endosseous dental implant failure
- M27.8 Other specified diseases of jaws
- M27.9 Disease of jaws, unspecified

Other diseases of jaws