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2013 ICD-9-CM Diagnosis Codes
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Diseases Of The Respiratory System
460-519
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Chronic Obstructive Pulmonary Disease And Allied Conditions
490-496
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Chronic airway obstruction, not elsewhere classified
496-
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chronic, irreversible obstruction of air flow from the lungs.
496
Chronic airway obstruction, not elsewhere classified
convert 496 to ICD-10