9B78.1

ICD-11 MMS 2026-01

Background retinopathy and retinal vascular changes

Description

Background retinopathy is the earliest visible change to the retina in diabetes, characterised by some retinal vascular changes, e.g. the capillaries in the retina may become blocked, they may bulge slightly (microaneurysm) and may leak blood or fluid.

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

Child codes

  • 9B78.10 – Changes in retinal vascular appearance
  • 9B78.11 – Exudative retinopathy
  • 9B78.12 – Retinal vasculitis
  • 9B78.13 – Retinal telangiectasis
  • 9B78.1Y – Other specified background retinopathy and retinal vascular changes
  • 9B78.1Z – Background retinopathy and retinal vascular changes, unspecified

Sibling codes

  • 9B78.0 – Retinal vasculopathy and cerebral leukodystrophy
  • 9B78.2 – Other proliferative retinopathy
  • 9B78.3 – Degeneration of macula or posterior pole
  • 9B78.4 – Peripheral retinal degeneration
  • 9B78.5 – Retinal haemorrhage
  • 9B78.6 – Separation of retinal layers
  • 9B78.7 – Retinal oedema
  • 9B78.8 – Retinal ischaemia
  • 9B78.9 – Retinal atrophy

Foundation entity

Background retinopathy and retinal vascular changes – http://id.who.int/icd/entity/1564321837

Allowed postcoordination axes

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