blood campesterol measurement test serum campesterol measurement test 2014-04-29T14:55:47Z A method to determine the nature, properties, or composition of campesterol in serum, the clear liquid that separates from blood after it has clotted completely, i.e. blood plasma from which fibrinogen has been removed. Campesterol is a phytosterol (molecular formula C28H48O) whose chemical structure is similar to that of cholesterol. CHEBI:28623 JSmith MMO:0000525 measurement_method_ontology serum campesterol analysis