Category: M26 - Dentofacial anomalies [including malocclusion]

 Chapter Notes

 Section Notes

 M26

Dentofacial anomalies [including malocclusion]

 M26.0

Major anomalies of jaw size

acromegaly (E22.0)

Robin's syndrome (Q87.0)

 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

Entire maxillary tuberosity

 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

Neutro-occlusion

 M26.212

Malocclusion, Angle's class II

Disto-occlusion Division I

Disto-occlusion Division II

 M26.213

Malocclusion, Angle's class III

Mesio-occlusion

 M26.219

Malocclusion, Angle's class, unspecified

 M26.22

Open occlusal relationship

 M26.220

Open anterior occlusal relationship

Anterior open bite

 M26.221

Open posterior occlusal relationship

Posterior open bite

 M26.23

Excessive horizontal overlap

Excessive horizontal overjet

 M26.24

Reverse articulation

Crossbite (anterior) (posterior)

 M26.25

Anomalies of interarch distance

 M26.29

Other anomalies of dental arch relationship

Midline deviation of dental arch

Overbite (excessive) deep

Overbite (excessive) horizontal

Overbite (excessive) vertical

Posterior lingual occlusion of mandibular teeth

 M26.3

Anomalies of tooth position of fully erupted tooth or teeth

embedded and impacted teeth (K01.-)

 M26.30

Unspecified anomaly of tooth position of fully erupted tooth or teeth

Abnormal spacing of fully erupted tooth or teeth NOS

Displacement of fully erupted tooth or teeth NOS

Transposition of fully erupted tooth or teeth NOS

 M26.31

Crowding of fully erupted teeth

 M26.32

Excessive spacing of fully erupted teeth

Diastema of fully erupted tooth or teeth NOS

 M26.33

Horizontal displacement of fully erupted tooth or teeth

Tipped tooth or teeth

Tipping of fully erupted tooth

 M26.34

Vertical displacement of fully erupted tooth or teeth

Extruded tooth

Infraeruption of tooth or teeth

Supraeruption of tooth or teeth

 M26.35

Rotation of fully erupted tooth or teeth

 M26.36

Insufficient interocclusal distance of fully erupted teeth (ridge)

Lack of adequate intermaxillary vertical dimension of fully erupted teeth

 M26.37

Excessive interocclusal distance of fully erupted teeth

Excessive intermaxillary vertical dimension of fully erupted teeth

Loss of occlusal vertical dimension 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

bruxism (F45.8)

teeth-grinding NOS (F45.8)

 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

Insufficient anterior occlusal guidance

 M26.55

Centric occlusion maximum intercuspation discrepancy

centric occlusion NOS (M26.59)

 M26.56

Non-working side interference

Balancing side interference

 M26.57

Lack of posterior occlusal support

 M26.59

Other dentofacial functional abnormalities

Centric occlusion (of teeth) NOS

Malocclusion due to abnormal swallowing

Malocclusion due to mouth breathing

Malocclusion due to tongue, lip or finger habits

 M26.6

Temporomandibular joint disorders

current temporomandibular joint dislocation (S03.0)

current temporomandibular joint sprain (S03.4)

 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

Temporomandibular joint disorder NOS

 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

Anterior soft tissue impingement on teeth

 M26.82

Posterior soft tissue impingement

Posterior soft tissue impingement on teeth

 M26.89

Other dentofacial anomalies

 M26.9

Dentofacial anomaly, unspecified