Mca m1 occlusion icd 10 July 8, 2019 16 32 64 128 Right mca m1 occlusion icd 10 Left mca m1 occlusion icd 10 R mca (m1) occlusion icd 10 Left mca m1 segment occlusion icd 10 M1 occlusion icd 10 M2 occlusion icd 10