Exposure to certain chemicals or allergens at work can cause or worsen asthma.
Criteria for the Diagnosis of Occupational Asthma
(1) new onset or reactivation of quiescent reversible bronchospasm
AND
(2) at least 2 of the following:
(2a) Cross shift losses of >= 10% FEV1 by spirometry.
(2b) A clear history of temporal periodicity of symptoms in association with work exposures.
(2c) A documented exposure to an agent previously proven to cause asthma.
(2d) Remission of symptoms after withdrawal from exposure.
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Purpose: To diagnose occupational asthma when certain criteria are present.
Specialty: Sports Medicine & Rehabilitation, Pulmonology, Emergency Medicine
Objective: criteria for diagnosis
ICD-10: J45, Z57.2, Z57.3,
