CB20

ICD-11 MMS 2026-01

Pleural plaque

Description

Deposits of hyalinized collagen fibres in the parietal pleura that result from chronic inflammation. Most commonly associated with past exposure to asbestos, typically becoming visible years after inhalation of the inciting exposure.

Index terms

  • Pleural plaque
  • Pleural plaque with presence of asbestos
  • asbestos-induced pleural plaque
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  • pleural plaque disease due to asbestosis
  • pleural plaques with asbestos
  • pleural thickening with asbestos
  • Pleural plaque without asbestos
  • Pleural plaque NOS
  • pleural thickening
  • thickening of pleura

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
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • CB21 – Pneumothorax
  • CB22 – Diseases of mediastinum, not elsewhere classified
  • CB23 – Disorders of diaphragm
  • CB24 – Chylous effusion
  • CB25 – Fibrothorax
  • CB26 – Haemothorax
  • CB27 – Pleural effusion
  • CB2Y – Other specified pleural, diaphragm or mediastinal disorders
  • CB2Z – Pleural, diaphragm or mediastinal disorders, unspecified

Foundation entity

Pleural plaque – http://id.who.int/icd/entity/290320013

Part of: 12: Diseases of the respiratory system