Acute maxillary and frontal sinusitis icd 10 July 8, 2019 16 32 64 128 Bacterial acute maxillary and frontal sinusitis icd 10 Acute maxillary sinusitis unspecified icd 10 Acute maxillary sinusitis icd 10 Acute frontal sinusitis icd 10 Maxillary sinusitis icd 10 Icd 10 code for acute right maxillary sinusitis