Icd 10 code for monoallelic mutation of sdha gene July 8, 2019 16 32 64 128 Monoallelic mutation of sdhb gene icd 10 Monoallelic mutation of sdha gene icd 10 Monoallelic mutation of cdh1 gene icd 10 Icd 10 code for monoallelic mutation of cdh1 gene