OTHER DISEASES OF THE UPPER RESPIRATORY TRACT (470-478)
472 Chronic pharyngitis and nasopharyngitis
472.0: Chronic rhinitis
Ozena
Rhinitis:
NOS
atrophic
granulomatous
hypertrophic
obstructive
purulent
ulcerative
Excludes:
allergic rhinitis (477.0-477.9)
472.1: Chronic pharyngitis
Chronic sore throat
Pharyngitis:
atrophic
granular (chronic)
hypertrophic
472.2: Chronic nasopharyngitis
Excludes:
acute or unspecified nasopharyngitis (460)
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