AN2TC - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Spinal Fluid

Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...

A1AFS - Overview: Alpha-1-Antitrypsin Clearance, Feces and Serum

Diagnosing protein-losing enteropathies

BAPS - Overview: Bile Acid Profile, Serum

Evaluating the enterohepatic cycle consisting of the biliary system, intestine, portal circulation, and hepatocytes Supporting researchers in need of free and conjugated values of all 20 bile acid species as well as total bile acid

APTSC - Overview: Activated Partial Thromboplastin Time (APTT), Plasma

Screening for certain coagulation factor deficiencies and abnormalities (eg, factor VIII, IX, XI, or XII) Detecting coagulation inhibitors such as lupus anticoagulant, antiphospholipid antibodies, specific factor inhibitors, and...

PBKQN - Overview: BK Virus DNA Detection and Quantification, Plasma

Detection and serial monitoring of BK virus-associated nephropathy in kidney transplant recipients using plasma specimens Detection and serial monitoring of BK virus-associated hemorrhagic cystitis in organ transplant recipients

BPAB - Overview: Bullous Pemphigoid, BP180 and BP230, IgG Antibodies, Serum

Initial screening test in the diagnosis of bullous pemphigoid and its variants Complementing the standard serum test of indirect immunofluorescence utilizing primate esophagus substrate and primate salt-split skin substrate (CIFS /...

BTDZ - Overview: Biotinidase Deficiency, BTD Full Gene Analysis, Varies

Second-tier test for confirming biotinidase deficiency (indicated by biochemical testing or newborn screening) Carrier testing of individuals with a family history of biotinidase deficiency, but disease-causing mutations have not been...

CAMPC - Overview: Campylobacter Culture, Feces

Determining whether Campylobacter species may be the cause of diarrhea Reflexive testing for Campylobacter species from nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized more than...

CDPCR - Overview: Clostridioides difficile Toxin, PCR, Feces

Sensitive, specific, and rapid diagnosis of Clostridioides (Clostridium) difficile-associated diarrhea and pseudomembranous colitis The test is not recommended as a test of cure.

Q10 - Overview: Coenzyme Q10, Reduced and Total, Plasma

Diagnosis of primary coenzyme Q10 (CoQ10) deficiencies in some patients who are not supplemented with CoQ10 Diagnosis of CoQ10 deficiency in mitochondrial disorders Monitoring CoQ10 status during treatment of various degenerative...