Biomarker category
Liver & protein
Liver enzymes, bilirubin, and protein markers that appear on CMP and hepatic panels.
General biomarker education — not personalized medical advice. Learn more
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ALT
ALT is an enzyme often included in liver-related blood panels.
AST
AST is an enzyme measured on many metabolic or liver panels and reviewed alongside ALT.
Albumin
Albumin is a protein made by the liver and is often included on metabolic and liver panels.
Alkaline phosphatase
Alkaline phosphatase is an enzyme found in liver, bone, and other tissues.
Total protein
Total protein adds up all proteins in the blood, mainly albumin and globulins.
Bilirubin
Bilirubin is a byproduct of red blood cell breakdown, processed by the liver.
Direct bilirubin
Direct bilirubin is the form of bilirubin that has already been processed by the liver.