Hermansky-Pudlak syndrome 3 (MONDO_0013555, a Monarch Disease Ontology entry) is any Hermansky-Pudlak syndrome in which the cause of the disease is a mutation in the HPS3 gene. Also known as: HPS3 Hermansky-Pudlak syndrome, Hermansky-Pudlak syndrome caused by mutation in HPS3, Hermansky-Pudlak syndrome type 3.