ICD-10-CM > M00-M99 > M26-M27 > M26 > M26.5 > M26.59 M26.59 Other dentofacial functional abnormalities Billable/Specific Copy Code Copy Description Applicable To Centric occlusion (of teeth) NOSMalocclusion due to abnormal swallowingMalocclusion due to mouth breathingMalocclusion due to tongue, lip or finger habits