QFT4 - Overview: QuantiFERON-TB Gold Plus, Blood
Indirect test for Mycobacterium tuberculosis infection, to be used in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations This test is not recommended for use for diagnosis of active tuberculosis...
Diagnosing autoimmune lymphoproliferative syndrome, primarily in patients younger than 45 years
SAFB - Overview: Acid-Fast Smear for Mycobacterium, Varies
Detection of acid-fast bacilli in clinical samples
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...
EAG - Overview: Hepatitis B Virus e Antigen, Serum
Determining the presence or absence of detectable hepatitis B virus e antigen in monitoring infection status of individuals with chronic hepatitis B Determining infectivity of hepatitis B virus (HBV) carriers Monitoring serologic...
HGH - Overview: Growth Hormone, Serum
Diagnosis of acromegaly and assessment of treatment efficacy when interpreted in conjunction with results from glucose suppression test Diagnosis of human growth hormone deficiency when interpreted in conjunction with results from growth...
FACT - Overview: Filamentous-Actin (F-actin) Antibody, IgG, Serum
Evaluation of patients with hepatitis of unknown origin associated with hypergammaglobulinemia and/or abnormal liver enzymes This test may also be useful for confirming positivity for smooth muscle antibodies.
FOBT - Overview: Fecal Occult Blood, Colorectal Cancer Screen, Qualitative, Immunochemical, Feces
Colorectal cancer screening Screening for gastrointestinal bleeding This test has not been validated for testing of patients with hemoglobinopathies.
HBIM - Overview: Hepatitis B Virus Core IgM Antibody, Serum
Diagnosis of acute hepatitis B virus (HBV) infection Identifying acute HBV infection in the serologic window period when hepatitis B virus surface antigen and hepatitis B virus surface antibody results are negative Differentiation...
I2SWB - Overview: Iduronate-2-Sulfatase, Leukocytes
Supporting the biochemical diagnosis of mucopolysaccharidosis II (MPS II; Hunter syndrome) in whole blood specimens This test is not useful for carrier detection for MPS II.
Mayo Clinic Ranked No. 1 Hospital Nationwide by U.S. News & World Report - Insights
Report’s 29th annual "Best Hospitals Honor Roll" published online on August 14. Mayo Clinic also ranked No. 1 in more specialties than any other hospital in the country....
NELL-1 [Test in Focus] - Insights
D., discusses how Mayo Clinic Laboratories’ new immunohistochemistry test for the detection of NELL-1 antigen, a biomarker for membranous nephropathy found in 10% to 15% of patients, provides diagnostic...
Looking Back on Clinical Chemistry 1 - Insights
in the Mayo Clinic Medical Laboratory Science program, takes a look back on her Clinical Chemistry 1 course....
Detection of (1→3)-𝝱-D-glucan as a Marker of Invasive Fungal Disease - Insights
In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the detection of (1→3)-β-D-glucan (BDG) in serum as a biomarker for the presence of invasive fungal infections....
Orexin-A/Hypocretin-1 for the Diagnosis of Type 1 Narcolepsy [Test in Focus] - Insights
test to perform as well as to interpret. The orexin-A/hypocretin-1 test is a sensitive and specific alternative to the MSLT to diagnose type 1 narcolepsy....