Intersection of http://www.ncbi.nlm.nih.gov/clinvar and http://www.ncbi.nlm.nih.gov/clinvar
This is the CodeSystem that contains codes in both ClinVar Variant ID (http://www.ncbi.nlm.nih.gov/clinvar) and ClinVar Variant ID (http://www.ncbi.nlm.nih.gov/clinvar).