ICD-10 Diagnosis Code M26.03

Mandibular hyperplasia

Diagnosis Code M26.03

ICD-10: M26.03
Short Description: Mandibular hyperplasia
Long Description: Mandibular hyperplasia
This is the 2017 version of the ICD-10-CM diagnosis code M26.03

Code Classification
  • Diseases of the musculoskeletal system and connective tissue
    • Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
      • Dentofacial anomalies [including malocclusion] (M26)

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 524.02 - Mandibular hyperplasia

  • Bilateral condylar hyperplasia of mandible
  • Bilateral coronoid hyperplasia of mandible
  • Congenital horizontal mandibular hyperplasia
  • Congenital mandibular hyperplasia
  • Congenital transverse mandibular hyperplasia
  • Congenital vertical mandibular hyperplasia
  • Hyperplasia of mandibular bone
  • Hyperplasia of mandibular condyle
  • Subpontic osseous hyperplasia of mandible

Information for Patients

Jaw Injuries and Disorders

Your jaw is a set of bones that holds your teeth. It consists of two main parts. The upper part is the maxilla. It doesn't move. The moveable lower part is called the mandible. You move it when you talk or chew. The two halves of the mandible meet at your chin. The joint where the mandible meets your skull is the temporomandibular joint.

Jaw problems include

  • Fractures
  • Dislocations
  • Temporomandibular joint dysfunction
  • Osteonecrosis, which happens when your bones lose their blood supply
  • Cancers

Treatment of jaw problems depends on the cause.

  • Jaw - broken or dislocated
  • Malocclusion of teeth
  • Micrognathia
  • Prognathism

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