| M26 | Dentofacial anomalies [including malocclusion] | NON-BILLABLE CODE |
| M26.0 | Major anomalies of jaw size | NON-BILLABLE CODE |
| M26.01 | Maxillary hyperplasia | BILLABLE CODE |
| M26.02 | Maxillary hypoplasia | BILLABLE CODE |
| M26.03 | Mandibular hyperplasia | BILLABLE CODE |
| M26.04 | Mandibular hypoplasia | BILLABLE CODE |
| M26.05 | Macrogenia | BILLABLE CODE |
| M26.06 | Microgenia | BILLABLE CODE |
| M26.07 | Excessive tuberosity of jaw | BILLABLE CODE |
| M26.09 | Other specified anomalies of jaw size | BILLABLE CODE |
| M26.1 | Anomalies of jaw-cranial base relationship | NON-BILLABLE CODE |
| M26.10 | Unspecified anomaly of jaw-cranial base relationship | BILLABLE CODE |
| M26.11 | Maxillary asymmetry | BILLABLE CODE |
| M26.12 | Other jaw asymmetry | BILLABLE CODE |
| M26.19 | Other specified anomalies of jaw-cranial base relationship | BILLABLE CODE |
| M26.2 | Anomalies of dental arch relationship | NON-BILLABLE CODE |
| M26.20 | Unspecified anomaly of dental arch relationship | BILLABLE CODE |
| M26.21 | Malocclusion, Angle's class | NON-BILLABLE CODE |
| M26.211 | Malocclusion, Angle's class I | BILLABLE CODE |
| M26.212 | Malocclusion, Angle's class II | BILLABLE CODE |
| M26.213 | Malocclusion, Angle's class III | BILLABLE CODE |
| M26.219 | Malocclusion, Angle's class, unspecified | BILLABLE CODE |
| M26.22 | Open occlusal relationship | NON-BILLABLE CODE |
| M26.220 | Open anterior occlusal relationship | BILLABLE CODE |
| M26.221 | Open posterior occlusal relationship | BILLABLE CODE |
| M26.23 | Excessive horizontal overlap | BILLABLE CODE |
| M26.24 | Reverse articulation | BILLABLE CODE |
| M26.25 | Anomalies of interarch distance | BILLABLE CODE |
| M26.29 | Other anomalies of dental arch relationship | BILLABLE CODE |
| M26.3 | Anomalies of tooth position of fully erupted tooth or teeth | NON-BILLABLE CODE |
| M26.30 | Unspecified anomaly of tooth position of fully erupted tooth or teeth | BILLABLE CODE |
| M26.31 | Crowding of fully erupted teeth | BILLABLE CODE |
| M26.32 | Excessive spacing of fully erupted teeth | BILLABLE CODE |
| M26.33 | Horizontal displacement of fully erupted tooth or teeth | BILLABLE CODE |
| M26.34 | Vertical displacement of fully erupted tooth or teeth | BILLABLE CODE |
| M26.35 | Rotation of fully erupted tooth or teeth | BILLABLE CODE |
| M26.36 | Insufficient interocclusal distance of fully erupted teeth (ridge) | BILLABLE CODE |
| M26.37 | Excessive interocclusal distance of fully erupted teeth | BILLABLE CODE |
| M26.39 | Other anomalies of tooth position of fully erupted tooth or teeth | BILLABLE CODE |
| M26.4 | Malocclusion, unspecified | BILLABLE CODE |
| M26.5 | Dentofacial functional abnormalities | NON-BILLABLE CODE |
| M26.50 | Dentofacial functional abnormalities, unspecified | BILLABLE CODE |
| M26.51 | Abnormal jaw closure | BILLABLE CODE |
| M26.52 | Limited mandibular range of motion | BILLABLE CODE |
| M26.53 | Deviation in opening and closing of the mandible | BILLABLE CODE |
| M26.54 | Insufficient anterior guidance | BILLABLE CODE |
| M26.55 | Centric occlusion maximum intercuspation discrepancy | BILLABLE CODE |
| M26.56 | Non-working side interference | BILLABLE CODE |
| M26.57 | Lack of posterior occlusal support | BILLABLE CODE |
| M26.59 | Other dentofacial functional abnormalities | BILLABLE CODE |
| M26.6 | Temporomandibular joint disorders | NON-BILLABLE CODE |
| M26.60 | Temporomandibular joint disorder, unspecified | NON-BILLABLE CODE |
| M26.601 | Right temporomandibular joint disorder, unspecified | BILLABLE CODE |
| M26.602 | Left temporomandibular joint disorder, unspecified | BILLABLE CODE |
| M26.603 | Bilateral temporomandibular joint disorder, unspecified | BILLABLE CODE |
| M26.609 | Unspecified temporomandibular joint disorder, unspecified side | BILLABLE CODE |
| M26.61 | Adhesions and ankylosis of temporomandibular joint | NON-BILLABLE CODE |
| M26.611 | Adhesions and ankylosis of right temporomandibular joint | BILLABLE CODE |
| M26.612 | Adhesions and ankylosis of left temporomandibular joint | BILLABLE CODE |
| M26.613 | Adhesions and ankylosis of bilateral temporomandibular joint | BILLABLE CODE |
| M26.619 | Adhesions and ankylosis of temporomandibular joint, unspecified side | BILLABLE CODE |
| M26.62 | Arthralgia of temporomandibular joint | NON-BILLABLE CODE |
| M26.621 | Arthralgia of right temporomandibular joint | BILLABLE CODE |
| M26.622 | Arthralgia of left temporomandibular joint | BILLABLE CODE |
| M26.623 | Arthralgia of bilateral temporomandibular joint | BILLABLE CODE |
| M26.629 | Arthralgia of temporomandibular joint, unspecified side | BILLABLE CODE |
| M26.63 | Articular disc disorder of temporomandibular joint | NON-BILLABLE CODE |
| M26.631 | Articular disc disorder of right temporomandibular joint | BILLABLE CODE |
| M26.632 | Articular disc disorder of left temporomandibular joint | BILLABLE CODE |
| M26.633 | Articular disc disorder of bilateral temporomandibular joint | BILLABLE CODE |
| M26.639 | Articular disc disorder of temporomandibular joint, unspecified side | BILLABLE CODE |
| M26.64 | Arthritis of temporomandibular joint | NON-BILLABLE CODE |
| M26.641 | Arthritis of right temporomandibular joint | BILLABLE CODE |
| M26.642 | Arthritis of left temporomandibular joint | BILLABLE CODE |
| M26.643 | Arthritis of bilateral temporomandibular joint | BILLABLE CODE |
| M26.649 | Arthritis of unspecified temporomandibular joint | BILLABLE CODE |
| M26.65 | Arthropathy of temporomandibular joint | NON-BILLABLE CODE |
| M26.651 | Arthropathy of right temporomandibular joint | BILLABLE CODE |
| M26.652 | Arthropathy of left temporomandibular joint | BILLABLE CODE |
| M26.653 | Arthropathy of bilateral temporomandibular joint | BILLABLE CODE |
| M26.659 | Arthropathy of unspecified temporomandibular joint | BILLABLE CODE |
| M26.69 | Other specified disorders of temporomandibular joint | BILLABLE CODE |
| M26.7 | Dental alveolar anomalies | NON-BILLABLE CODE |
| M26.70 | Unspecified alveolar anomaly | BILLABLE CODE |
| M26.71 | Alveolar maxillary hyperplasia | BILLABLE CODE |
| M26.72 | Alveolar mandibular hyperplasia | BILLABLE CODE |
| M26.73 | Alveolar maxillary hypoplasia | BILLABLE CODE |
| M26.74 | Alveolar mandibular hypoplasia | BILLABLE CODE |
| M26.79 | Other specified alveolar anomalies | BILLABLE CODE |
| M26.8 | Other dentofacial anomalies | NON-BILLABLE CODE |
| M26.81 | Anterior soft tissue impingement | BILLABLE CODE |
| M26.82 | Posterior soft tissue impingement | BILLABLE CODE |
| M26.89 | Other dentofacial anomalies | BILLABLE CODE |
| M26.9 | Dentofacial anomaly, unspecified | BILLABLE CODE |
