Acute maxillary sinusitis icd 9 July 8, 2019 16 32 64 128 Icd 9 code for acute maxillary sinusitis Acute maxillary sinusitis unspecified icd 10 Acute maxillary sinusitis icd 10 Maxillary sinusitis icd 10 Acute sinusitis icd 9 code Acute sinusitis icd 9