platelet-type bleeding disorder 15 (Monarch Disease Ontology id MONDO_0014078) is any inherited bleeding disorder, platelet-type in which the cause of the disease is a mutation in the ACTN1 gene. Also known as: ACTN1 inherited bleeding disorder, platelet-type, BDPLT15, autosomal dominant macrothrombocytopenia ACTN1-related, inherited bleeding disorder, platelet-type caused by mutation in ACTN1.