serum high density lipoprotein cholesterol level serum low density lipoprotein cholesterol level calculated serum lipoprotein level serum low density lipoprotein cholesterol to high density lipoprotein cholesterol ratio 2019-07-25T13:26:32Z A calculated measurement in which the amount of LDL, relatively large-particle lipoproteins that transport cholesterol to extrahepatic tissue,in a specified volume of serum is divided by the amount of HDL, small-particle lipoproteins that promote transport of cholesterol from extrahepatic tissue to the liver for excretion in the bile, and presented as a ratio, fraction, quotient or percentage. CMO:0003215 EFO:0007930 LDL cholesterol:HDL cholesterol ratio VT:0000180 clinical_measurement_ontology serum LDL to HDL ratio serum LDL-C to HDL-C ratio sjwang