Chronic lower extremity ischemia icd 10 July 8, 2019 16 32 64 128 Chronic left lower extremity ischemia icd 10 Acute on chronic right lower extremity limb ischemia icd 10 Acute on chronic left lower extremity limb ischemia icd 10 Acute lower extremity ischemia icd 10 Icd 10 code for chronic right lower extremity ischemia