Acute Acute Maxillary Sinusitis Unspecified Maxillary Sinusitis Unspecified Acute Maxillary Sinusitis Unspecified YolondahtyuiStachtyu Tuesday, March 7, 2017 Icd9cm analysis code 473.9 unspecified sinusitis. Unfastened, professional info about 2015 icd9cm prognosis code 473.Nine. Consists of codin...