level of ectonucleotide pyrophosphatase/phosphodiesterase family member 5 in blood serum (OBA_2041481) is the amount of a ectonucleotide pyrophosphatase/phosphodiesterase family member 5 when measured in blood serum. Also known as: blood serum ectonucleotide pyrophosphatase/phosphodiesterase family member 5 amount.