CA26.1

ICD-11 MMS 2026-01

Diffuse panbronchiolitis

Description

Diffuse panbronchiolitis (DPB) is an idiopathic inflammatory disease principally affecting the respiratory bronchioles, causing a progressive suppurative and severe obstructive respiratory disorder. Onset occurs in the second to fifth decade of life and manifests by chronic cough, exertional dyspnoea, and sputum production. Most patients also have chronic paranasal sinusitis. If left untreated, DPB progresses to bronchiectasis, respiratory failure and death. A significant improvement in the prognosis has been reported thanks to the use of long-term therapy with macrolide antibiotics, the effect of which is attributed to an anti-inflammatory and immunoregulatory action.

Index terms

  • Diffuse panbronchiolitis

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

  • CA26.0 – Chronic obliterative bronchiolitis
  • CA26.Y – Other specified chronic bronchiolitis
  • CA26.Z – Chronic bronchiolitis, unspecified

Foundation entity

Diffuse panbronchiolitis – http://id.who.int/icd/entity/291357751

Part of: CA26: Chronic bronchiolitis › 12: Diseases of the respiratory system