| 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 |
| M26.61 | Adhesions and ankylosis of temporomandibular joint |
| M26.62 | Arthralgia of temporomandibular joint |
| M26.63 | Articular disc disorder of 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 |
| 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 |