ICD-11 MMS 2026-01
Diseases of mediastinum, not elsewhere classified
Description
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
Excludes
CA43.3 – Abscess of mediastinum
Exclusions from above levels
01 – Certain infectious or parasitic diseases05 – Endocrine, nutritional or metabolic diseases18 – Complications of pregnancy, childbirth and the puerperium
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19 – Certain conditions originating in the perinatal period20 – Congenital malformations, deformations and chromosomal abnormalities22 – Injury, poisoning or certain other consequences of external causes
Child codes
CB22.0 – Fibrosing mediastinitisCB22.Y – Other specified diseases of mediastinum, not elsewhere classifiedCB22.Z – Disease of mediastinum, unspecified
Sibling codes
CB20 – Pleural plaqueCB21 – PneumothoraxCB23 – Disorders of diaphragmCB24 – Chylous effusionCB25 – FibrothoraxCB26 – HaemothoraxCB27 – Pleural effusionCB2Y – Other specified pleural, diaphragm or mediastinal disordersCB2Z – Pleural, diaphragm or mediastinal disorders, unspecified
Part of: 12: Diseases of the respiratory system