2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Dentofacial Anomalies Including Malocclusion 524.* > 2006 ICD-9-CM Diagnosis 524.4 Malocclusion unspecified View the most recent version of ICD-9-CM 524.4 Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. 524.4 is a specific code that can be used to specify a diagnosis 524.4 contains 2 index entries View the ICD-9-CM Volume 1 524.* hierarchy  Index entries containing 524.4: Aclusion 524.4 Malocclusion (teeth) 524.4 due to abnormal swallowing 524.59 accessory teeth (causing crowding) 524.31 dentofacial abnormality NEC 524.89 impacted teeth (causing crowding) 520.6 missing teeth 524.30 mouth breathing 524.59 sleep postures 524.59 supernumerary teeth (causing crowding) 524.31 thumb sucking 524.59 tongue, lip, or finger habits 524.59 temporomandibular (joint) 524.69