Pseudohyperkalemia, Familial, 2, Due to Red Cell Leak, also known as pseudohyperkalemia cardiff, is related to dehydrated hereditary stomatocytosis 1 with or without pseudohyperkalemia and/or perinatal edema and cryohydrocytosis. An important gene associated with Pseudohyperkalemia, Familial, 2, Due to Red Cell Leak is ABCB6 (ATP Binding Cassette Subfamily B Member 6 (Langereis Blood Group)), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and Disorders of transmembrane transporters. Affiliated tissues include whole blood, and related phenotypes are hyperkalemia and hypertension