Icd 10 code for left maxillary sinus retention cyst July 8, 2019 16 32 64 128 Icd 10 code for left maxillary sinus mucous retention cyst Icd 10 code for left maxillary sinus mucus retention cyst Icd 10 code for left maxillary sinus cyst Left maxillary sinus cyst icd 10 Maxillary cyst icd 10 Icd 10 right maxillary sinus disease