9D45

ICD-11 MMS 2026-01

Impairment of light sensitivity

Index terms

  • Impairment of light sensitivity
  • Vision sensitivity deficiencies
  • Day blindness
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  • Impairment of dark adaptation
  • Moderate Impairment of Dark adaptation
  • Profound Impairment of Dark adaptation
  • Congenital night blindness
  • Congenital stationary night blindness
  • CSNB - [congenital stationary night blindness]
  • Acquired night blindness
  • Photophobia
  • Need for extra light
  • Need for reduced light levels
  • Glare sensitivity

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

Foundation children elsewhere

  • 5B55.0 – Vitamin A deficiency with night blindness

Sibling codes

  • 9D41 – Impairment of visual field
  • 9D42 – Patterns of visual field impairment
  • 9D43 – Impairment of contrast vision
  • 9D44 – Impairment of colour vision
  • 9D46 – Impairment of binocular functions
  • 9D7Y – Other specified impairment of visual functions
  • 9D7Z – Impairment of visual functions, unspecified

Foundation entity

Impairment of light sensitivity – http://id.who.int/icd/entity/1762543840

Allowed postcoordination axes

Part of: 09: Diseases of the visual system