CHRONIC OBSTRUCTIVE PULMONARY DISEASE AND ALLIED CONDITIONS (490-496)
490 Bronchitis, not specified as acute or chronic
Bronchitis NOS:
catarrhal
with tracheitis NOS
Tracheobronchitis NOS
Excludes:
bronchitis:
allergic NOS (493.9)
asthmatic NOS (493.9)
due to fumes and vapors (506.0)
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