Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Dentofacial anomalies, including malocclusion 524-
Specific code 2015 ICD-9-CM Diagnosis Code 524.4
Malocclusion, unspecified
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 524.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 524.4 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 524.4 converts approximately to:
  • 2015/16 ICD-10-CM M26.4 Malocclusion, unspecified
Approximate 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)
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
 524.39 ICD9Data.com 524.5 
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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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