Icd 9 code for sinusitis acute July 8, 2019 16 32 64 128 Icd 9 code for acute sinusitis unspecified Icd 9 code for acute maxillary sinusitis Icd 9 code for acute bacterial sinusitis Icd 9 code for acute recurrent sinusitis Icd 9 sinusitis Icd 9 code for sinusitis Icd 9 code for chronic sinusitis