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 524.23 Angle’s class iii View the most recent version of ICD-9-CM 524.23 Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion). 524.23 is a specific code that can be used to specify a diagnosis 524.23 contains 4 index entries View the ICD-9-CM Volume 1 524.* hierarchy Alternate Terminology Mesio-occlusion  Index entries containing 524.23: Angle's class III 524.23 Anomaly, anomalous (congenital) (unspecified type) 759.9 dental arch relationship 524.20 angle's class III 524.23 mesio-occlusion 524.23 Malnutrition (calorie) 263.9 severe 261 angle's class III 524.23 Mesio-occlusion 524.23