About Section M26-M27

Section M26-M27 covers Dentofacial anomalies [including malocclusion] and other disorders of jaw within Chapter 13 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from M26 to M27. Each code below includes its description, billable status, and links to detailed coding guidelines.
Diagnosis Codes 115 entries
M26Dentofacial anomalies [including malocclusion]Non-Billable›M26.0Major anomalies of jaw sizeNon-Billable›M26.00Unspecified anomaly of jaw sizeBillable›M26.01Maxillary hyperplasiaBillable›M26.02Maxillary hypoplasiaBillable›M26.03Mandibular hyperplasiaBillable›M26.04Mandibular hypoplasiaBillable›M26.05MacrogeniaBillable›M26.06MicrogeniaBillable›M26.07Excessive tuberosity of jawBillable›M26.09Other specified anomalies of jaw sizeBillable›M26.1Anomalies of jaw-cranial base relationshipNon-Billable›M26.10Unspecified anomaly of jaw-cranial base relationshipBillable›M26.11Maxillary asymmetryBillable›M26.12Other jaw asymmetryBillable›M26.19Other specified anomalies of jaw-cranial base relationshipBillable›M26.2Anomalies of dental arch relationshipNon-Billable›M26.20Unspecified anomaly of dental arch relationshipBillable›M26.21Malocclusion, Angle's classNon-Billable›M26.211Malocclusion, Angle's class IBillable›M26.212Malocclusion, Angle's class IIBillable›M26.213Malocclusion, Angle's class IIIBillable›M26.219Malocclusion, Angle's class, unspecifiedBillable›M26.22Open occlusal relationshipNon-Billable›M26.220Open anterior occlusal relationshipBillable›M26.221Open posterior occlusal relationshipBillable›M26.23Excessive horizontal overlapBillable›M26.24Reverse articulationBillable›M26.25Anomalies of interarch distanceBillable›M26.29Other anomalies of dental arch relationshipBillable›M26.3Anomalies of tooth position of fully erupted tooth or teethNon-Billable›M26.30Unspecified anomaly of tooth position of fully erupted tooth or teethBillable›M26.31Crowding of fully erupted teethBillable›M26.32Excessive spacing of fully erupted teethBillable›M26.33Horizontal displacement of fully erupted tooth or teethBillable›M26.34Vertical displacement of fully erupted tooth or teethBillable›M26.35Rotation of fully erupted tooth or teethBillable›M26.36Insufficient interocclusal distance of fully erupted teeth (ridge)Billable›M26.37Excessive interocclusal distance of fully erupted teethBillable›M26.39Other anomalies of tooth position of fully erupted tooth or teethBillable›M26.4Malocclusion, unspecifiedBillable›M26.5Dentofacial functional abnormalitiesNon-Billable›M26.50Dentofacial functional abnormalities, unspecifiedBillable›M26.51Abnormal jaw closureBillable›M26.52Limited mandibular range of motionBillable›M26.53Deviation in opening and closing of the mandibleBillable›M26.54Insufficient anterior guidanceBillable›M26.55Centric occlusion maximum intercuspation discrepancyBillable›M26.56Non-working side interferenceBillable›M26.57Lack of posterior occlusal supportBillable›M26.59Other dentofacial functional abnormalitiesBillable›M26.6Temporomandibular joint disordersNon-Billable›M26.60Temporomandibular joint disorder, unspecifiedNon-Billable›M26.601Right temporomandibular joint disorder, unspecifiedBillable›M26.602Left temporomandibular joint disorder, unspecifiedBillable›M26.603Bilateral temporomandibular joint disorder, unspecifiedBillable›M26.609Unspecified temporomandibular joint disorder, unspecified sideBillable›M26.61Adhesions and ankylosis of temporomandibular jointNon-Billable›M26.611Adhesions and ankylosis of right temporomandibular jointBillable›M26.612Adhesions and ankylosis of left temporomandibular jointBillable›M26.613Adhesions and ankylosis of bilateral temporomandibular jointBillable›M26.619Adhesions and ankylosis of temporomandibular joint, unspecified sideBillable›M26.62Arthralgia of temporomandibular jointNon-Billable›M26.621Arthralgia of right temporomandibular jointBillable›M26.622Arthralgia of left temporomandibular jointBillable›M26.623Arthralgia of bilateral temporomandibular jointBillable›M26.629Arthralgia of temporomandibular joint, unspecified sideBillable›M26.63Articular disc disorder of temporomandibular jointNon-Billable›M26.631Articular disc disorder of right temporomandibular jointBillable›M26.632Articular disc disorder of left temporomandibular jointBillable›M26.633Articular disc disorder of bilateral temporomandibular jointBillable›M26.639Articular disc disorder of temporomandibular joint, unspecified sideBillable›M26.64Arthritis of temporomandibular jointNon-Billable›M26.641Arthritis of right temporomandibular jointBillable›M26.642Arthritis of left temporomandibular jointBillable›M26.643Arthritis of bilateral temporomandibular jointBillable›M26.649Arthritis of unspecified temporomandibular jointBillable›M26.65Arthropathy of temporomandibular jointNon-Billable›M26.651Arthropathy of right temporomandibular jointBillable›M26.652Arthropathy of left temporomandibular jointBillable›M26.653Arthropathy of bilateral temporomandibular jointBillable›M26.659Arthropathy of unspecified temporomandibular jointBillable›M26.69Other specified disorders of temporomandibular jointBillable›M26.7Dental alveolar anomaliesNon-Billable›M26.70Unspecified alveolar anomalyBillable›M26.71Alveolar maxillary hyperplasiaBillable›M26.72Alveolar mandibular hyperplasiaBillable›M26.73Alveolar maxillary hypoplasiaBillable›M26.74Alveolar mandibular hypoplasiaBillable›M26.79Other specified alveolar anomaliesBillable›M26.8Other dentofacial anomaliesNon-Billable›M26.81Anterior soft tissue impingementBillable›M26.82Posterior soft tissue impingementBillable›M26.89Other dentofacial anomaliesBillable›M26.9Dentofacial anomaly, unspecifiedBillable›M27Other diseases of jawsNon-Billable›M27.0Developmental disorders of jawsBillable›M27.1Giant cell granuloma, centralBillable›M27.2Inflammatory conditions of jawsBillable›M27.3Alveolitis of jawsBillable›M27.4Other and unspecified cysts of jawNon-Billable›M27.40Unspecified cyst of jawBillable›M27.49Other cysts of jawBillable›M27.5Periradicular pathology associated with previous endodontic treatmentNon-Billable›M27.51Perforation of root canal space due to endodontic treatmentBillable›M27.52Endodontic overfillBillable›M27.53Endodontic underfillBillable›M27.59Other periradicular pathology associated with previous endodontic treatmentBillable›M27.6Endosseous dental implant failureNon-Billable›M27.61Osseointegration failure of dental implantBillable›M27.62Post-osseointegration biological failure of dental implantBillable›M27.63Post-osseointegration mechanical failure of dental implantBillable›M27.69Other endosseous dental implant failureBillable›M27.8Other specified diseases of jawsBillable›M27.9Disease of jaws, unspecifiedBillable›