9A93

ICD-11 MMS 2026-01

Adhesions or disruptions of iris or ciliary body

Description

This refers to adhesions and disruptions of the thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. The colour of the iris is often referred to as "eye colour." It is also of the circumferential tissue inside the eye composed of the ciliary muscle and ciliary processes. It is triangular in horizontal section and is coated by a double layer, the ciliary epithelium.

Index terms

  • Adhesions or disruptions of iris or ciliary body
  • Synechiae of iris NOS
  • synechia
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  • Anterior synechiae, iris
  • anterior synechia
  • Goniosynechiae
  • Iridodialysis
  • Posterior synechiae, iris
  • posterior synechia
  • Recession of chamber angle
  • recession of chamber angle of eye
  • Acquired deformity of pupil
  • Iris deformity
  • Rupture of iris
  • Retroversion of iris
  • Pupil irregularity

Inclusions

  • Anterior synechiae, iris
  • Goniosynechiae
  • Iridodialysis
  • Posterior synechiae, iris
  • Recession of chamber angle

Excludes

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 – Degeneration of iris or ciliary body
  • 9A91 – Cyst of iris or ciliary body
  • 9A92 – Persistent pupillary membranes
  • 9A94 – Certain specified disorders of iris or ciliary body
  • 9A96 – Anterior uveitis
  • 9A9Y – Other specified disorders of the anterior uvea
  • 9A9Z – Disorders of the anterior uvea, unspecified

Foundation entity

Adhesions or disruptions of iris or ciliary body – http://id.who.int/icd/entity/366040221

Allowed postcoordination axes

Part of: 09: Diseases of the visual system