ICD-10-CM > M00-M99 > M26-M27 > M26 > M26.1 M26.1 Anomalies of jaw-cranial base relationship Non-Billable/Non-Specific Codes M26.10Unspecified anomaly of jaw-cranial base relationshipM26.11Maxillary asymmetryM26.12Other jaw asymmetryM26.19Other specified anomalies of jaw-cranial base relationship