Specific code 2014 ICD-9-CM Diagnosis Code 524.4
Malocclusion, unspecified
  • Billable Code
  • Short description: Malocclusion NOS.
  • ICD-9-CM 524.4 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 524.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Malocclusion
  • Malocclusion of teeth
  • Skeletal malocclusion
  • Teeth malocclusion
Clinical Information
  • An inherited or acquired dental abnormality characterized by improper alignment of the teeth.
  • Malposition and contact of the maxillary and mandibular teeth which interferes with efficiency during mastication.
  • 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. (jablonski, illustrated dictionary of dentistry, 1982)
Convert to ICD-10-CM: 524.4 converts approximately to:
  • 2014 ICD-10-CM M26.4 Malocclusion, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 524.4 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.