2D6Q - Overview: Cytochrome P450 2D6 Comprehensive Cascade, Varies
Providing information relevant to tamoxifen, codeine, and tramadol, as well as other medications metabolized by cytochrome P450 2D6 Determining the exact genotype when other methods fail to generate this information or if...
HMDB - Overview: Heavy Metals Screen with Demographics, Blood
Detecting exposure to arsenic, lead, cadmium, and mercury
MCLNG - Overview: MayoComplete Lung Cancer-Targeted Gene Panel with Rearrangement, Tumor
Diagnosis and management of patients with lung cancer Assessing microsatellite instability
QNKS - Overview: Natural Killer (NK)/Natural Killer T-Cell Subsets, Quantitative, Blood
Quantitation of the major natural killer (NK)-cell subsets relative to total NK cells (NK cell subsets) or total lymphocytes (NK T cells) Assessment in the following clinical contexts: HIV, primary immune deficiencies with NK cell...
PMAOG - Overview: Postmortem Aortopathy Gene Panel, Tissue
Providing a comprehensive postmortem genetic evaluation in the setting of a sudden death attributed to thoracic aortic dissection or with a personal or family history suggestive of Marfan syndrome, Loeys-Dietz syndrome, thoracic aortic...
Predicting potential for toxicity to thiopurine drugs (6-mercaptopurine, 6-thioguanine, and azathioprine)
CORT - Overview: Cortisol, Serum
Discrimination between primary and secondary adrenal insufficiency Differential diagnosis of Cushing syndrome This test is not recommended for evaluating response to metyrapone.
COCOU - Overview: Cortisol/Cortisone, Free, 24 Hour, Urine
Screening test for Cushing syndrome (hypercortisolism) Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio) Diagnosis of pseudo-hyperaldosteronism due to...
EBVQN - Overview: Epstein-Barr Virus DNA Detection and Quantification, Plasma
Diagnosis of Epstein-Barr virus (EBV)-associated infectious mononucleosis in individuals with equivocal or discordant EBV serologic marker test results Diagnosis of post-transplant lymphoproliferative disorders (PTLD), especially in...
HBNTP - Overview: Hepatitis B Virus Surface Antigen Confirmation, Prenatal, Serum
Diagnosis of acute, recent, or chronic hepatitis B in prenatal patients This test is not useful during the "window period" of acute hepatitis B (ie, after disappearance of hepatitis B virus surface antigen [HBsAg] and prior to appearance...
Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana - Insights
In this month's "Hot Topic," Paul Jannetto, Ph.D., identifies how to determine new vs. residual use of marijuana in a patient, and teaches how to calculate the carboxy-tetrahydrocannabinol (carboxy-THC)...
Laboratory and Pathology Research Roundup: March 12 - Insights
known. We performed laser microdissection (LCM) of glomeruli followed by mass spectrometry (MS) in 12 cases each of DDD, C3GN, and pretransplant kidney control biopsies....
COVID-19: At-home sample collection vs. at-home testing - Insights
The concept of at-home testing for COVID-19 sounds straightforward. But there's nuance to it that's important to understand. Right now, an at-home test for COVID-19 is not available, although there may be one coming soon. But in some areas,...
Clinic Laboratory and Pathology Research Roundup: Nov. 12 - Insights
This week’s Research Roundup highlights a mechanism for preventing asymmetric histone segregation onto replicating DNA strands.
Transfusion Toons: A1 vs. A2 - Insights
Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched “Transfusion...