9B73.2

ICD-11 MMS 2026-01

Retinal cysts

Description

A retinal cyst is a closed sac, having a distinct membrane and division compared to the nearby tissue in retina that can either be congenital or acquired.

Index terms

  • Retinal cysts
  • Cyst of ora serrata
  • Parasitic cyst of retina
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  • Pseudocyst of retina

Inclusions

  • Cyst of ora serrata
  • Parasitic cyst of retina

Excludes

  • 9B78.4 – Microcystoid degeneration of retina
  • LA13.3 – congenital retinoschisis

Exclusions from above levels

  • 9B78.6 – detachment of retinal pigment epithelium
  • 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

Sibling codes

  • 9B73.0 – Retinal detachment with retinal break
  • 9B73.1 – Retinoschisis
  • 9B73.3 – Serous retinal detachment
  • 9B73.4 – Retinal breaks without detachment
  • 9B73.Y – Other specified retinal detachments or breaks
  • 9B73.Z – Retinal detachments or breaks, unspecified

Foundation entity

Retinal cysts – http://id.who.int/icd/entity/536337528

Allowed postcoordination axes

Part of: 9B73: Retinal detachments or breaks › 09: Diseases of the visual system