9B78.4

ICD-11 MMS 2026-01

Peripheral retinal degeneration

Index terms

  • Peripheral retinal degeneration
  • Degeneration of retina NOS
  • peripheral degeneration of retina
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  • reticular retinal degeneration
  • retinal degeneration
  • Lattice degeneration of retina
  • lattice degeneration
  • lattice retinal degeneration
  • palisade degeneration of retina
  • Microcystoid degeneration of retina
  • Blessig cysts
  • Iwanoff cysts
  • microcystoid retinal degeneration
  • Paving stone degeneration of retina
  • Age-related reticular degeneration of retina
  • Secondary pigmentary degeneration
  • Secondary vitreoretinal degeneration
  • Senile reticular degeneration of retina

Inclusions

  • Lattice degeneration of retina
  • Paving stone degeneration of retina

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

  • 9B78.0 – Retinal vasculopathy and cerebral leukodystrophy
  • 9B78.1 – Background retinopathy and retinal vascular changes
  • 9B78.2 – Other proliferative retinopathy
  • 9B78.3 – Degeneration of macula or posterior pole
  • 9B78.5 – Retinal haemorrhage
  • 9B78.6 – Separation of retinal layers
  • 9B78.7 – Retinal oedema
  • 9B78.8 – Retinal ischaemia
  • 9B78.9 – Retinal atrophy

Foundation entity

Peripheral retinal degeneration – http://id.who.int/icd/entity/1518234440

Allowed postcoordination axes

Part of: 9B78: Certain specified retinal disorders › 09: Diseases of the visual system