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

M26Dentofacial anomalies [including malocclusion]

M26.0Major anomalies of jaw size
Excludes 1: acromegaly (E22.0)
› Robin's syndrome (Q87.0)

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
› Entire maxillary tuberosity

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
› Neutro-occlusion

M26.212Malocclusion, Angle's class II
› Disto-occlusion Division I
› Disto-occlusion Division II

M26.213Malocclusion, Angle's class III
› Mesio-occlusion

M26.219Malocclusion, Angle's class, unspecified

M26.22Open occlusal relationship

M26.220Open anterior occlusal relationship
› Anterior open bite

M26.221Open posterior occlusal relationship
› Posterior open bite

M26.23Excessive horizontal overlap
› Excessive horizontal overjet

M26.24Reverse articulation
› Crossbite (anterior) (posterior)

M26.25Anomalies of interarch distance

M26.29Other 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

M26.3Anomalies of tooth position of fully erupted tooth or teeth
Excludes 2: embedded and impacted teeth (K01.-)

M26.30Unspecified 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

M26.31Crowding of fully erupted teeth

M26.32Excessive spacing of fully erupted teeth
› Diastema of fully erupted tooth or teeth NOS

M26.33Horizontal displacement of fully erupted tooth or teeth
› Tipped tooth or teeth
› Tipping of fully erupted tooth

M26.34Vertical displacement of fully erupted tooth or teeth
› Extruded tooth
› Infraeruption of tooth or teeth
› Supraeruption of tooth or teeth

M26.35Rotation of fully erupted tooth or teeth

M26.36Insufficient interocclusal distance of fully erupted teeth (ridge)
› Lack of adequate intermaxillary vertical dimension of fully erupted teeth

M26.37Excessive interocclusal distance of fully erupted teeth
› Excessive intermaxillary vertical dimension of fully erupted teeth
› Loss of occlusal vertical dimension of fully erupted teeth

M26.39Other anomalies of tooth position of fully erupted tooth or teeth

M26.4Malocclusion, unspecified

M26.5Dentofacial functional abnormalities
Excludes 1: bruxism (F45.8)
› teeth-grinding NOS (F45.8)

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
› Insufficient anterior occlusal guidance

M26.55Centric occlusion maximum intercuspation discrepancy
Excludes 1: centric occlusion NOS (M26.59)

M26.56Non-working side interference
› Balancing side interference

M26.57Lack of posterior occlusal support

M26.59Other 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

M26.6Temporomandibular joint disorders
Excludes 2: current temporomandibular joint dislocation (S03.0)
› current temporomandibular joint sprain (S03.4)

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
› Temporomandibular joint disorder NOS

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
› Anterior soft tissue impingement on teeth

M26.82Posterior soft tissue impingement
› Posterior soft tissue impingement on teeth

M26.89Other dentofacial anomalies

M26.9Dentofacial anomaly, unspecified

M27Other diseases of jaws

M27.0Developmental disorders of jaws
› Latent bone cyst of jaw
› Stafne's cyst
› Torus mandibularis
› Torus palatinus

M27.1Giant cell granuloma, central
› Giant cell granuloma NOS
Excludes 1: peripheral giant cell granuloma (K06.8)

M27.2Inflammatory conditions of jaws
› Osteitis of jaw(s)
› Osteomyelitis (neonatal) jaw(s)
› Osteoradionecrosis jaw(s)
› Periostitis jaw(s)
› Sequestrum of jaw bone
Use Additional Code: code (W88-W90, X39.0) to identify radiation, if radiation-induced
Excludes 2: osteonecrosis of jaw due to drug (M87.180)

M27.3Alveolitis of jaws
› Alveolar osteitis
› Dry socket

M27.4Other and unspecified cysts of jaw
Excludes 1: cysts of oral region (K09.-)
› latent bone cyst of jaw (M27.0)
› Stafne's cyst (M27.0)

M27.40Unspecified cyst of jaw
› Cyst of jaw NOS

M27.49Other cysts of jaw
› Aneurysmal cyst of jaw
› Hemorrhagic cyst of jaw
› Traumatic cyst of jaw

M27.5Periradicular pathology associated with previous endodontic treatment

M27.51Perforation of root canal space due to endodontic treatment

M27.52Endodontic overfill

M27.53Endodontic underfill

M27.59Other periradicular pathology associated with previous endodontic treatment

M27.6Endosseous dental implant failure

M27.61Osseointegration 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

M27.62Post-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

M27.63Post-osseointegration mechanical failure of dental implant
› Failure of dental prosthesis causing loss of dental implant
› Fracture of dental implant
Excludes 2: 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)

M27.69Other endosseous dental implant failure
› Dental implant failure NOS

M27.8Other specified diseases of jaws
› Cherubism
› Exostosis
› Fibrous dysplasia
› Unilateral condylar hyperplasia
› Unilateral condylar hypoplasia
Excludes 1: jaw pain (R68.84)

M27.9Disease of jaws, unspecified