Rs28930069

rs28930069, also known as R1239G or Arg1239Gly, is a SNP in the CACNA1S gene on chromosome 1.

The rs28930069(G) allele has been reported in a family study to be the basis for their hypokalemic periodic paralysis, type 1.

This variant meets the criteria published in 2013 by the ACMG regarding incidental findings in exome or genome sequencing, as a variant that they do recommend informing a patient about.