ICD-10-CM > E00-E89 > E70-E88 > E78 > E78.0 E78.0 Pure hypercholesterolemia Non-Billable/Non-Specific Codes E78.00Pure hypercholesterolemia, unspecifiedE78.01Familial hypercholesterolemiaE78.010Homozygous familial hypercholesterolemia [HoFH]E78.011Heterozygous familial hypercholesterolemia [HeFH]E78.019Familial hypercholesterolemia, unspecified