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Pneumothorax

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

Pneumothorax is an abnormal collection of air or gas in the pleural space that separates the lung from the chest wall, and that may interfere with normal breathing.

exclusions

• pyopneumothorax  (CA44)
• pneumothorax: tuberculous (not confirmed)  (1B10.1)
• Traumatic pneumothorax  (NB32.0)
• pneumothorax: tuberculous (confirmed)  (1B10.0)

code elsewhere

• Pneumothorax originating in the perinatal period  (KB27.1)

sections/codes in this section (CB21-CB21)

• Spontaneous tension pneumothorax  (CB21.0)
• Other spontaneous pneumothorax  (CB21.1)
• Other specified pneumothorax  (CB21.Y)
• Pneumothorax, unspecified  (CB21.Z)

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