J01.1 Acute frontal sinusitisNon-billable header with 2 child codes.
D81.82 Activated Phosphoinositide 3-kinase Delta Syndrome [APDS] ("other acute respiratory tract infections (J00-J06; J20-J22)")J09.X2 Influenza due to identified novel influenza A virus with other respiratory manifestations ("sinusitis (J01.-)")J10.1 Influenza due to other identified influenza virus with other respiratory manifestations ("code for associated sinusitis, if applicable (J01.-)")J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations ("code for associated sinusitis, if applicable (J01.-)")J32 Chronic sinusitis ("acute sinusitis (J01.-)")J01 Acute sinusitisJ01.0 Acute maxillary sinusitisJ01.00 Acute maxillary sinusitis, unspecifiedJ01.01 Acute recurrent maxillary sinusitisJ01.1 Acute frontal sinusitis (this code)J01.10 Acute frontal sinusitis, unspecifiedJ01.11 Acute recurrent frontal sinusitisJ01.2 Acute ethmoidal sinusitisJ01.20 Acute ethmoidal sinusitis, unspecifiedJ01.21 Acute recurrent ethmoidal sinusitis