Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic) 473.9

with influenza, flu, or grippe (see also Influenza) 487.1

acute 461.9

ethmoidal 461.2

frontal 461.1

maxillary 461.0

specified type NEC 461.8

sphenoidal 461.3

allergic (see also Fever, hay) 477.9

antrum - see Sinusitis, maxillary

due to

fungus, any sinus 117.9

high altitude 993.1

ethmoidal 473.2

acute 461.2

frontal 473.1

acute 461.1

influenzal (see also Influenza) 487.1

maxillary 473.0

acute 461.0

specified site NEC 473.8

sphenoidal 473.3

acute 461.3

syphilitic, any sinus 095.8

tuberculous, any sinus (see also Tuberculosis) 012.8