Icd 10 code for nonunion of subtalar arthrodesis July 8, 2019 16 32 64 128 Icd 10 code for right subtalar arthrodesis nonunion Arthrodesis nonunion icd 10 Arthrodesis icd 10 Arthr icd 10 Osteoarthritis subtalar joint icd 10 Nonunion icd 10