Monarch Disease Ontology identifier MONDO_0013777 (pseudohypoaldosteronism type 2B) is any pseudohypoaldosteronism type 2 in which the cause of the disease is a mutation in the WNK4 gene. Also known as: PHA2B, WNK4 pseudohypoaldosteronism type 2, pseudohypoaldosteronism type 2 caused by mutation in WNK4.