8A04.1

ICD-11 MMS 2026-01

Essential tremor or related tremors

Description

Essential tremor is the most common form of tremor of moderate frequency ranging from 7-12 Hz and presents as a postural and kinetic tremor of the hands. It may also be present in the head/neck, and voice.

Index terms

  • Essential tremor or related tremors
  • benign essential tremor
  • Hereditary essential tremor
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  • benign familial tremor
  • familial tremor
  • hereditary tremor
  • heredofamilial tremor
  • Orthostatic tremor
  • Task-specific tremor
  • Primary writing tremor

Inclusions

  • Hereditary essential tremor

Excludes

Exclusions from above levels

  • 6A06 – Stereotyped movement disorder
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A04.0 – Enhanced physiological tremor
  • 8A04.2 – Rest tremor
  • 8A04.3 – Secondary tremor
  • 8A04.4 – Functional tremor
  • 8A04.Y – Other specified disorders associated with tremor
  • 8A04.Z – Disorders associated with tremor, unspecified

Foundation entity

Essential tremor or related tremors – http://id.who.int/icd/entity/1036027657

Allowed postcoordination axes

Part of: 8A04: Disorders associated with tremor › 08: Diseases of the nervous system