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KB27.2 Pneumomediastinum originating in the perinatal period

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

Presence of air in the mediastinum usually from tracking of free air from ruptured alveolar ducts along the perivascular sheaths of pulmonary blood vessels, or rupture of subpleural bleb

synonyms

• Pneumomediastinum originating in the perinatal period
• perinatal mediastinal emphysema
• perinatal pneumomediastinum
• congenital pneumomediastinum
• mediastinal emphysema of fetus or newborn

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