abnormal circulating serum amyloid protein level increased acute phase protein level increased circulating protein level increased circulating serum amyloid protein level 2020-12-23T10:53:02Z MPheno.ontology MP:0031234 elevated circulating serum amyloid protein level increased SAA protein level increased Serum Amyloid A Protein level elevated SAA protein level elevated Serum Amyloid A Protein level elevated levels in the blood of an acute-phase reaction protein that is a precursor to amyloid A protein; it is present in very high levels during acute inflammatory episodes, and is present in low concentrations in normal sera, but is found at higher concentrations in sera of older persons and in patients with amyloidosis