CB04.4 Pulmonary capillaritis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Isolated pauciimmune pulmonary capillaritis is a small vessel vasculitis restricted to the lungs that may induce diffuse alveolar haemorrhage with dyspnoea, anaemia, chest pain, haemoptysis, bilateral and diffuse alveolar infiltrates at chest X-rays, without any underlying systemic disease. ANCA are frequently positive but could be negative.

postcoordination

synonyms

• Pulmonary capillaritis
• Isolated pulmonary capillaritis
• Pulmonary Langerhans cell histiocytosis specific to childhood
• Pulmonary LCH - [Langerhans cell histiocytosis] specific to childhood

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