J31 - Chronic rhinitis, nasopharyngitis and pharyngitis
J31.2 - Chronic pharyngitis
InclusionTerm:
-Chronic sore throat
-Atrophic pharyngitis (chronic)
-Granular pharyngitis (chronic)
-Hypertrophic pharyngitis (chronic)
Excludes 2:
-acute pharyngitis J02.9)