9D90.1

ICD-11 MMS 2026-01

Mild vision impairment

Coding note from above levels

For capturing and coding of “No vision impairment”, use QA00.62 (QA00.6 Examination of eyes or vision).

Index terms

  • Mild vision impairment
  • unqualified visual loss, both eyes
  • visual impairment category 1, in both eyes
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  • visual impairment category 9 in both eyes

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

  • 9D90.2 – Moderate vision impairment
  • 9D90.3 – Severe vision impairment
  • 9D90.6 – Blindness
  • 9D90.7 – Near vision impairment

Foundation entity

Mild vision impairment – http://id.who.int/icd/entity/1429535477

Allowed postcoordination axes

Part of: 9D90: Vision impairment including blindness › 09: Diseases of the visual system