ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 13  /  M26-M27

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

Excludes1: hemifacial atrophy or hypertrophy (Q67.4)
unilateral condylar hyperplasia or hypoplasia (M27.8)
M26 Dentofacial anomalies [including malocclusion]
M26.0 Major anomalies of jaw size
Excludes1 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
Excludes2 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
Excludes1 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
Excludes1 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
Excludes2 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
M27 Other diseases of jaws
M27.0 Developmental disorders of jaws
Latent bone cyst of jaw
Stafne's cyst
Torus mandibularis
Torus palatinus
M27.1 Giant cell granuloma, central
Giant cell granuloma NOS
Excludes1 peripheral giant cell granuloma (K06.8)
M27.2 Inflammatory conditions of jaws
Osteitis of jaw(s)
Osteomyelitis (neonatal) jaw(s)
Osteoradionecrosis jaw(s)
Periostitis jaw(s)
Sequestrum of jaw bone
UseAdditionalCode code (W88-W90, X39.0) to identify radiation, if radiation-induced
Excludes2 osteonecrosis of jaw due to drug (M87.180)
M27.3 Alveolitis of jaws
Alveolar osteitis
Dry socket
M27.4 Other and unspecified cysts of jaw
Excludes1 cysts of oral region (K09.-)
latent bone cyst of jaw (M27.0)
Stafne's cyst (M27.0)
M27.40 Unspecified cyst of jaw
Cyst of jaw NOS
M27.49 Other cysts of jaw
Aneurysmal cyst of jaw
Hemorrhagic cyst of jaw
Traumatic cyst 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
Hemorrhagic complications of dental implant placement
Iatrogenic osseointegration failure of dental implant
Osseointegration failure of dental implant due to complications of systemic disease
Osseointegration failure of dental implant due to poor bone quality
Pre-integration failure of dental implant NOS
Pre-osseointegration failure of dental implant
M27.62 Post-osseointegration biological failure of dental implant
Failure of dental implant due to lack of attached gingiva
Failure of dental implant due to occlusal trauma (caused by poor prosthetic design)
Failure of dental implant due to parafunctional habits
Failure of dental implant due to periodontal infection (peri-implantitis)
Failure of dental implant due to poor oral hygiene
Iatrogenic post-osseointegration failure of dental implant
Post-osseointegration failure of dental implant due to complications of systemic disease
M27.63 Post-osseointegration mechanical failure of dental implant
Failure of dental prosthesis causing loss of dental implant
Fracture of dental implant
Excludes2 cracked tooth (K03.81)
fractured dental restorative material with loss of material (K08.531)
fractured dental restorative material without loss of material (K08.530)
fractured tooth (S02.5)
M27.69 Other endosseous dental implant failure
Dental implant failure NOS
M27.8 Other specified diseases of jaws
Cherubism
Exostosis
Fibrous dysplasia
Unilateral condylar hyperplasia
Unilateral condylar hypoplasia
Excludes1 jaw pain (R68.84)
M27.9 Disease of jaws, unspecified