VALPG - Overview: Valproic Acid, Free and Total, Serum

Monitoring both total and free valproic acid levels in therapy Assessing compliance Evaluating potential toxicity

FUCW - Overview: Alpha-Fucosidase, Leukocytes

Detection of fucosidosis This test is not useful for establishing carrier status for fucosidosis.

APIXA - Overview: Apixaban, Anti-Xa, Plasma

Measuring apixaban concentration in selected clinical situations (eg, renal insufficiency, assessment of compliance, periprocedural measurement of drug concentration, suspected overdose, advanced age, and extremes of body weight)

ALAUR - Overview: Aminolevulinic Acid, Urine

Assisting in the differential diagnosis of the acute hepatic porphyrias

AFPSF - Overview: Alpha-Fetoprotein (AFP), Spinal Fluid

An adjunct in the diagnosis of central nervous system (CNS) germinomas and meningeal carcinomatosis Evaluating the presence of germ-cell tumors in the CNS, in conjunction with cerebrospinal fluid (CSF) beta-human chorionic gonadotropin...

AN1TC - Overview: Antineuronal Nuclear Antibody-Type 1 (ANNA-1) Titer, Spinal Fluid

Diagnosis of paraneoplastic autoimmune neuropathies, encephalomyeloradiculopathies, related neurologic disorders, and intestinal pseudo-obstruction/dysmotility associated with small-cell lung carcinoma Reporting an end titer result from...

APOLB - Overview: Apolipoprotein B, Serum

Assessment of cardiovascular risk Follow-up studies in individuals with basic lipid measures inconsistent with risk factors or clinical presentation Definitive studies of cardiac risk factors in individuals with significant family...

AFPA - Overview: Alpha-Fetoprotein, Amniotic Fluid

Screening for open neural tube defects or other fetal abnormalities Follow-up testing for patients with elevated serum alpha-fetoprotein results or in conjunction with cytogenetic testing

C2729 - Overview: Breast Carcinoma-Associated Antigen, Serum

Aiding in the management of breast cancer in patients with metastatic disease by monitoring the progression or regression of disease in response to treatment Serial testing in women with prior stage II or III breast cancer who are...

B190R - Overview: BCR/ABL1, p190, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Reflex, Varies

Diagnostic workup of patients with a high probability of BCR-ABL1-positive hematopoietic neoplasms, particularly acute lymphoblastic leukemia (B-lymphoblastic leukemia), to provide a pretreatment quantitative level of BCR-ABL1 mRNA...