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