9D42.20

ICD-11 MMS 2026-01

Enlarged blind spot

Index terms

  • Enlarged blind spot
  • Scotoma of blind spot area

Inclusions

  • Scotoma of blind spot area

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

  • 9D42.21 – Arcuate scotoma
  • 9D42.22 – Nasal step
  • 9D42.23 – Ring scotoma
  • 9D42.24 – Isolated peripheral scotoma
  • 9D42.2Y – Other specified peripheral field deficit
  • 9D42.2Z – Peripheral field deficit, unspecified

Foundation entity

Enlarged blind spot – http://id.who.int/icd/entity/261697880

Allowed postcoordination axes

Part of: 9D42.2: Peripheral field deficit › 9D42: Patterns of visual field impairment › 09: Diseases of the visual system