DA0E.6

ICD-11 MMS 2026-01

Dentofacial functional abnormalities

Description

Temporomandibular joint disorder (TMJ) is the name given to a group of symptoms that cause pain in the head, face, and jaw. The symptoms include headaches, soreness in the chewing muscles, and clicking or stiffness of the joints. They often have psychological as well as physical causes.

Index terms

  • Dentofacial functional abnormalities
  • dentofacial functional abnormality NOS
  • dentofacial functional anomaly
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  • Abnormal jaw closure
  • Abnormal jaw opening
  • Malocclusion due to abnormal swallowing
  • Malocclusion due to mouth breathing
  • Malocclusion due to tongue, lip or finger habits
  • Myositis of the masticatory muscles

Inclusions

  • Abnormal jaw closure

Excludes

Exclusions from above levels

  • 5A60.0 – acromegaly
  • LA52 – hemifacial atrophy or hypertrophy
  • LA56 – Robin's syndrome
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  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DA0E.0 – Major anomalies of jaw size
  • DA0E.1 – Anomalies of jaw-cranial base relationship
  • DA0E.2 – Anomalies of dental arch relationship
  • DA0E.3 – Anomalies of tooth position
  • DA0E.4 – Food impaction
  • DA0E.5 – Malocclusion
  • DA0E.7 – Dentofacial parafunctional disorders
  • DA0E.8 – Temporomandibular joint disorders
  • DA0E.Y – Other specified dentofacial anomalies
  • DA0E.Z – Dentofacial anomalies, unspecified

Foundation entity

Dentofacial functional abnormalities – http://id.who.int/icd/entity/1104543664

Part of: DA0E: Dentofacial anomalies › 13: Diseases of the digestive system