9A90.0

ICD-11 MMS 2026-01

Disorders of chamber angle

Description

This refers to the change of tissue to a lower or less functionally active form, of the fluid-filled space inside the eye between the iris and the cornea's innermost surface, the endothelium.

Index terms

  • Disorders of chamber angle

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

  • 9A90.1 – Degeneration of iris
  • 9A90.2 – Iris atrophy
  • 9A90.Y – Other specified degeneration of iris or ciliary body
  • 9A90.Z – Degeneration of iris or ciliary body, unspecified

Foundation entity

Disorders of chamber angle – http://id.who.int/icd/entity/1757894757

Allowed postcoordination axes

Part of: 9A90: Degeneration of iris or ciliary body › 09: Diseases of the visual system