Cyst Ethmoid Ethmoid Sinus Mucous Retention Cyst Mucous Retention Sinus Ethmoid Sinus Mucous Retention Cyst LorrinehtyuiMabry Thursday, March 9, 2017 2017 icd10cm diagnosis code j34.1 cyst and. Approximate synonyms. Cyst of ethmoid sinus; cyst of frontal sinus; cyst of maxillary sinus; cys...