Definition of GOLD-0
GOLD-0: One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD).
GOLD-0 is stage 0 in the GOLD classification of COPD and indicates "at risk" for COPD. GOLD-0 is characterized by chronic cough and sputum production. Lung function, as measured by spirometry (a test of the air capacity of the lungs),is still normal.
Last Editorial Review: 5/13/2016
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