Empyema (acute) (chest) (double) (pleura) (supradiaphragmatic) (thorax)
J86.9 with fistula
J86.0 accessory sinus (chronic)
--see Sinusitis antrum (chronic)
--see Sinusitis, maxillary brain (any part)
--see Abscess, brain ethmoidal (chronic) (sinus)
--see Sinusitis, ethmoidal extradural
--see Abscess, extradural frontal (chronic) (sinus)
--see Sinusitis, frontal gallbladder
K81.0 mastoid (process) (acute)
--see Mastoiditis, acute maxilla, maxillary
M27.2 sinus (chronic)
--see Sinusitis, maxillary nasal sinus (chronic)
--see Sinusitis sinus (accessory) (chronic) (nasal)
--see Sinusitis sphenoidal (sinus) (chronic)
--see Sinusitis, sphenoidal subarachnoid
--see Abscess, extradural subdural
--see Abscess, subdural tuberculous
A15.6 ureter
--see Ureteritis ventricular
--see Abscess, brain