AHA Coding Clinic® for ICD-9 - 1992 Fourth Quarter; New/Revised Codes
Dentofacial Anomalies
Changes to ICD-9-CM have been made to reflect the advances in the treatment of craniofacial deformities. Changes have been made to category 524, Dentofacial anomalies, including malocclusion, to provide a clear distinction between dental, occlusal, and skeletal anomalies. Subcategory 738.1, Other acquired deformity of head, has also been expanded to include codes for hyperplasia and hypoplasia of the zygoma. ...
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