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