The amount of a (5Z,8Z,14Z)-11,12-dihydroxyicosatrienoic acid when measured in blood plasma. The trait is Ontology of Biological Attributes term OBA_2050340 (level of 11,12-dihydroxyicosa-5,8,14-trienoic acid in blood plasma). Also known as: blood plasma (5Z,8Z,14Z)-11,12-dihydroxyicosatrienoic acid amount, level of 11,12-DiHETrE in blood plasma.