Left thumb cmc joint arthritis icd 10 July 8, 2019 16 32 64 128 Icd 10 code for left thumb cmc joint arthritis Arthritis of carpometacarpal cmc joint of left thumb icd 10 Left thumb cmc osteoarthritis icd 10 Left thumb oa icd 10 Arthritis carpometacarpal joint thumb icd 10 Icd 10 code for left thumb basilar joint arthritis