A digoxin test, referred to as serum digoxin level, measures the concentration of digoxin in your bloodstream.
Phenobarbital drug monitoring is a test that identifies the concentration of specific medications in the bloodstream.
Theophylline drug monitoring is a test that identifies the concentration of theophylline in your bloodstream.
An antithyroglobulin or antithyroglobulin antibody test is a test to identify the presence of antibodies to thyroglobulin.
A bile acid test is an test to measure the bile acid level.
A C3 complement blood test is done to measure the amounts of C3 proteins, which are a specific type of protein in your blood.
The complement component 4 (C4) test examines the amount of C4 circulating in the bloodstream through a simple blood test.
CA 72-4 test is a test to measure the level of CA 72-4 in blood.