Distinguishing between hepatocellular carcinoma and chronic liver disease Monitoring individuals with hepatic cirrhosis from any etiology for progression to hepatocellular carcinoma Surveillance for development of hepatocellular...
AGNTC - Overview: Anti-Glial/Neuronal Nuclear Antibody-Type 1 (AGNA-1) Titer, Spinal Fluid
Reporting an end titer result from cerebrospinal fluid (CSF) specimens Serological evaluation using CSF specimens from patients who present with a subacute neurological disorder of undetermined etiology, especially those with risk factors...
AGNTS - Overview: Anti-Glial/Neuronal Nuclear Antibody-Type 1 (AGNA-1) Titer, Serum
Reporting an end titer result from serum specimens Serological evaluation using serum specimens from patients who present with a subacute neurological disorder of undetermined etiology, especially those with risk factors for primary lung...
Diagnosing autoimmune lymphoproliferative syndrome, primarily in patients younger than 45 years
BRAFD - Overview: BRAF V600E/V600K Somatic Mutation Analysis, Tumor
Therapy selection for patients with cancer (eg, melanomas that may respond to BRAF inhibitors, colon cancers that may not respond to EGFR inhibitors) Aiding in the diagnosis/prognosis of certain cancers (eg, hairy cell leukemia, papillary...
BA48F - Overview: Bile Acids, Bowel Dysfunction, 48 Hour, Feces
Aids in evaluation of patients suspected of having irritable bowel syndrome-diarrhea symptoms due to bile acid malabsorption
CFRC - Overview: Bacterial Culture, Cystic Fibrosis, Respiratory
Detecting disease-causing aerobic bacteria in specimens from patients with cystic fibrosis
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.
CSTB - Overview: CSTB Gene, Repeat Expansion Analysis, Varies
Molecular confirmation of clinically suspected CSTB-related progressive myoclonic epilepsy Identifying full penetrance dodecamer repeat expansions within CSTB known to cause CSTB-related progressive myoclonic epilepsy, allowing for...
CH9 - Overview: Chromogenic Factor IX Activity Assay, Plasma
Monitoring coagulation factor replacement therapy of selected extended half-life coagulation factor replacements Aiding in the diagnosis of hemophilia B using a 2-stage assay, especially when a 1-stage assay was normal
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)...
COVID-19: At-home sample collection vs. at-home testing - Insights
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...
Mayo Now Has Two Ninjas in the House - Insights
Candace Granberg, M.D., has a lot of titles, including surgeon, wife, mom, and volunteer. Now, she can add another: ninja warrior. The pediatric urologist is the second Mayo staff member chosen to participate...
The State of COVID-19 Now: Dr. Bill Morice - Insights
M.D. This week, Dr. Morice and Dr. Pritt step back and look at where the COVID-19 pandemic stands now, and they consider the potential effects that the omicron variant, expanded testing availability, and...
rights reserved. 07/2021 Hepatitis E: Testing Algorithm for Diagnosis and Management Immunocompetent patients with abnormal liver enzyme levels and at risk for hepatitis E virus (HEV) Immun......