USTEK - Overview: Ustekinumab Quantitation with Antibodies, Serum

Evaluation of loss of response to therapy Quantification of ustekinumab in human serum Trough level quantitation for evaluation of patients treated with ustekinumab Detection of antibodies to ustekinumab in human serum

SSB - Overview: SS-B/La Antibodies, IgG, Serum

Evaluating patients with clinical features or at-risk for connective tissue disease, especially Sjögren syndrome.

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...

IABCS - Overview: B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment, Blood

Screening for common variable immunodeficiency and hyper-IgM syndromes Assessing B-cell subset reconstitution after stem cell or bone marrow transplant Assessing response to B-cell-depleting immunotherapy This test is not indicated...

AMPHX - Overview: Amphetamines Confirmation, Chain of Custody, Random, Urine

Confirming drug exposure involving amphetamines such as amphetamine and methamphetamine, phentermine, pseudoephedrine/ephedrine, methylenedioxymethamphetamine, and methylenedioxyamphetamine. Providing chain-of-custody for when the results...

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...

B210R - Overview: BCR/ABL1, p210, 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 chronic myeloid leukemia and Ph+ acute lymphoblastic leukemia (B-lymphoblastic leukemia), to provide a pretreatment...

BUPR - Overview: Buprenorphine Screen with Reflex, Random, Urine

Screening and confirmation for drug abuse or use of buprenorphine

CD40 - Overview: B-Cell CD40 Expression by Flow Cytometry, Blood

Evaluating patients for hyper-IgM type 3 (HIGM3) syndrome due to defects in CD40, typically seen in patients less than 10 years Assessing B-cell immune competence in other clinical contexts, including autoimmunity, malignancy, and...

BUPMX - Overview: Buprenorphine and Norbuprenorphine, Chain of Custody, Random, Urine

Monitoring of compliance of buprenorphine therapy Detection and confirmation of the illicit use of buprenorphine Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the...