ICD-11 classes
12 Diseases of the respiratory system
Lung diseases due to external agents
Pneumonitis
CA70 — Hypersensitivity pneumonitis due to organic dust
CA70.7 — Air conditioner or humidifier lung
ICD-11 CA70.7 — Air conditioner or humidifier lung
A form of the sick building syndrome caused by organisms that contaminate humidifiers and the piping of air conditioner ducts. The air conditioner blows cold air containing spores of the organisms throughout the building.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: