DA0E.51

ICD-11 MMS 2026-01

Angle class I malocclusion

Description

The maxillary first permanent molar is in slight distoversion in relation to the mandibular first permanent molar, and the mesiobuccal cusp of the maxillary molar is aligned with the buccal groove of the mandibular molar.

Index terms

  • Angle class I malocclusion

Exclusions from above levels

  • 5A60.0 – acromegaly
  • LA52 – hemifacial atrophy or hypertrophy
  • LA56 – Robin's syndrome
Show allHide
  • 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.50 – Class II division 2 malocclusion
  • DA0E.5Y – Other specified malocclusion
  • DA0E.5Z – Malocclusion, unspecified

Foundation entity

Angle class I malocclusion – http://id.who.int/icd/entity/1881473229

Part of: DA0E.5: Malocclusion › DA0E: Dentofacial anomalies › 13: Diseases of the digestive system