Home > 2008 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 2008 ICD-9-CM Diagnosis Code 524.31
Crowding of teeth
  • ICD-9-CM 524.31 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 524.31 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).
  • You are viewing the 2008 version of ICD-9-CM 524.31.
  • More recent version(s) of ICD-9-CM 524.31: 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 524.31 converts directly to:
  • 2015/16 ICD-10-CM M26.31 Crowding of fully erupted teeth
Approximate Synonyms
  • Teeth crowding
ICD-9-CM Volume 2 Index entries containing back-references to 524.31:
  • Accessory (congenital)
    • teeth, tooth 520.1
      • causing crowding 524.31
  • Anomaly, anomalous (congenital) (unspecified type) 759.9
  • Crowding, teeth 524.31
  • Distomolar (fourth molar) 520.1
    • causing crowding 524.31
  • Excess, excessive, excessively
    • number of teeth 520.1
      • causing crowding 524.31
  • 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
  • Mesiodens, mesiodentes 520.1
    • causing crowding 524.31
  • Paramolar 520.1
    • causing crowding 524.31
  • Supernumerary (congenital)
    • teeth 520.1
      • causing crowding 524.31
  • Supplemental teeth 520.1
    • causing crowding 524.31
 524.30 ICD9Data.com 524.32 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 524.31 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 2008 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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