Icd 10 code for mucosal thickening of the ethmoid air cells July 8, 2019 16 32 64 128 Mucosal thickening in the ethmoid air cells icd 10 Icd 10 ethmoid sinusitis Icd 10 code for mucosal thickening ethmoid Mucosal thickening in the ethmoid sinuses icd 10