WAGDR - Overview: Alpha Globin Cluster Locus Deletion/Duplication, Blood

Diagnosis of alpha-thalassemia Carrier screening for individuals from high-risk populations for alpha-thalassemia This test is not useful for diagnosis or confirmation of beta-thalassemia or hemoglobinopathies.

AATTA - Overview: Antithrombin Summary Interpretation

Diagnosis of antithrombin deficiency, acquired or congenital Monitoring treatment of antithrombin deficiency disorders, including infusion of antithrombin therapeutic concentrate

FRDIG - Overview: Digoxin, Free, Serum

Evaluating recrudescent (breakthrough) digoxin toxicity in renal-failure patients Assessing the need for more antidigoxin Fab to be administered Deciding when to reintroduce digoxin therapy Monitoring patients with possible...

CORTU - Overview: Cortisol, Free, 24 Hour, Urine

Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.

C341Q - Overview: Complement C3 and C4 with Anti-C1q Antibodies, Serum

Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus

CTXBS - Overview: Cerebrotendinous Xanthomatosis, Blood Spot

Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using dried blood spot specimens Monitoring individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the...

CTXP - Overview: Cerebrotendinous Xanthomatosis, Plasma

Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using plasma specimens Monitoring of individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the identification of...

GLP - Overview: Glucagon, Plasma

Diagnosis and follow-up of glucagonomas and other glucagon-producing tumors Assessing diabetic patients with problematic hyper- or hypoglycemic episodes (extremely limited utility)

LDBF - Overview: Lactate Dehydrogenase (LDH), Body Fluid

Identification of exudative pleural effusions Lactate dehydrogenase in pericardial fluids is not diagnostically useful.

FLCS - Overview: Immunoglobulin Free Light Chains, Serum

Monitoring serum from patients with monoclonal light chain diseases without a M-spike on protein electrophoresis May be useful as a diagnostic test in patients in whom there is a suspicion of primary systemic amyloidosis, light chain...