Zimmermann-Laband syndrome 2 (Monarch Disease Ontology term MONDO_0014646) is any Zimmermann-Laband syndrome in which the cause of the disease is a mutation in the ATP6V1B2 gene. Also known as: ATP6V1B2 Zimmermann-Laband syndrome, Zimmermann-Laband syndrome caused by mutation in ATP6V1B2, Zimmermann-Laband syndrome type 2.