9D92

ICD-11 MMS 2026-01

Specific vision dysfunctions

Description

Specific visual dysfunctions refer to functional deficits in higher cerebral centres. Such dysfunctions may exist with or without visual impairment of the eyes and the lower visual system.

Index terms

  • Specific vision dysfunctions
  • Dysfunction of visual motion detection
  • Moderate dysfunction of motion detection
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  • Profound dysfunction of motion detection
  • Visual spatial neglect
  • Moderate spatial neglect
  • Profound spatial neglect
  • Prosopagnosia
  • face recognition
  • Moderate Prosopagnosia
  • Profound Prosopagnosia
  • Simultanagnosia
  • Moderate Simultanagnosia
  • Profound Simultanagnosia
  • Alexia
  • Moderate Alexia
  • Profound Alexia
  • Optical alexia
  • Visual disorientation syndrome

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 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
  • 8A21.0 – Posterior cortical atrophy

Sibling codes

  • 9D90 – Vision impairment including blindness
  • 9D93 – Complex vision-related dysfunctions
  • 9D94 – Impairment of presenting visual acuity
  • 9D95 – Impairment of best corrected visual acuity
  • 9D96 – Impairment of uncorrected visual acuity
  • 9D9Y – Other specified vision impairment
  • 9D9Z – Vision impairment, unspecified

Foundation entity

Specific vision dysfunctions – http://id.who.int/icd/entity/2128966315

Allowed postcoordination axes

Part of: 09: Diseases of the visual system