Diseases of mediastinum, not elsewhere classified

Definition

This refers to diseases of the mediastinum where the mediastinum is an undelineated group of structures in the thorax, surrounded by loose connective tissue. It is the central compartment of the thoracic cavity

Exclusions

• Abscess of mediastinum (CA43.3)

3 subordinate codes

• CB22.0Fibrosing mediastinitis
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Pleural, diaphragm or mediastinal disorders

• CB20Pleural plaque
• CB21Pneumothorax
• CB23Disorders of diaphragm
• CB24Chylous effusion
• CB25Fibrothorax
• CB26Haemothorax
• CB27Pleural effusion
• 4B4YOther specified diseases of the immune system