The amount of a phytanoyl-CoA dioxygenase domain-containing protein 1 when measured in blood serum. The trait is Ontology of Biological Attributes entry OBA_2042881 (level of phytanoyl-CoA dioxygenase domain-containing protein 1 in blood serum). Also known as: blood serum phytanoyl-CoA dioxygenase domain-containing protein 1 amount.