9C61.1

ICD-11 MMS 2026-01

Primary angle closure or angle closure glaucoma

Description

Primary angle closure glaucoma is a condition described as angle closure or/and peripheral anterior synechiae with elevated intraocular pressure and evidence of optic nerve damage.

Exclusions from above levels

  • KA41 – Traumatic glaucoma due to birth injury
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 8A21.0 – Posterior cortical atrophy

Child codes

  • 9C61.10 – Primary angle closure suspect or anatomical narrow angle
  • 9C61.11 – Primary angle-closure
  • 9C61.12 – Primary angle closure glaucoma
  • 9C61.13 – Primary angle closure without pupillary block
  • 9C61.14 – Acute angle closure with pupillary block
  • 9C61.15 – Intermittent angle-closure
  • 9C61.16 – Chronic angle-closure
  • 9C61.17 – Condition after acute angle-closure glaucoma attack
  • 9C61.1Y – Other specified primary angle closure or angle closure glaucoma
  • 9C61.1Z – Primary angle closure or angle closure glaucoma, unspecified

Sibling codes

  • 9C61.0 – Primary open-angle glaucoma
  • 9C61.2 – Secondary open-angle glaucoma
  • 9C61.3 – Secondary angle closure glaucoma
  • 9C61.4 – Developmental glaucoma
  • 9C61.Y – Other specified glaucoma
  • 9C61.Z – Glaucoma, unspecified

Foundation entity

Primary angle closure or angle closure glaucoma – http://id.who.int/icd/entity/446416176

Allowed postcoordination axes

Part of: 9C61: Glaucoma › 09: Diseases of the visual system