The ICD 11 Code 12 is a WHO Classified code for Diseases of the respiratory system
Exclusion:
Endocrine, nutritional or metabolic diseases
Congenital malformations, deformations and chromosomal abnormalities
Injury, poisoning or certain other consequences of external causes
Certain conditions originating in the perinatal period
Certain infectious or parasitic diseases
Complications of pregnancy, childbirth and the puerperium