level of [pyruvate dehydrogenase [acetyl-transferring]]-phosphatase 1, mitochondrial in blood serum (OBA_2042836, an Ontology of Biological Attributes entry) is the amount of a [pyruvate dehydrogenase [acetyl-transferring]]-phosphatase 1, mitochondrial when measured in blood serum. Also known as: blood serum [pyruvate dehydrogenase [acetyl-transferring]]-phosphatase 1, mitochondrial amount.