C2 - Overview: C2 Complement, Functional, with Reflex, Serum
Investigation of a patient with a low (absent) hemolytic complement, with reflex testing to C3 and C4, if appropriate
Rapid detection of Mycobacterium tuberculosis DNA from respiratory specimens for the diagnosis of pulmonary tuberculosis Presumptive detection of rifampin resistance based on the presence of resistance-associated mutations
ENC2 - Overview: Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid
Evaluating new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias, ataxias, nausea,...
EOIBD - Overview: Early Onset Monogenic Inflammatory Bowel Disease (IBD) Gene Panel, Varies
Providing a comprehensive genetic evaluation for patients with a personal or family history suggestive of an inherited inflammatory bowel disorder Establishing a diagnosis of a monogenic early onset inflammatory bowel disease, allowing for...
SCIDP - Overview: Severe Combined Immunodeficiency (SCID) Gene Panel, Varies
Establishing a diagnosis of a severe combined immunodeficiency (SCID) associated with known causal genes Identifying variants within genes known to be associated with SCID, allowing for predictive testing of at-risk family members and/or...
ALADW - Overview: Aminolevulinic Acid Dehydratase, Washed Erythrocytes
Confirmation of a diagnosis of aminolevulinic acid dehydratase deficiency porphyria using washed erythrocyte specimens This test is not useful for detecting lead intoxication.
ALDNA - Overview: Aldosterone with Sodium, 24 Hour, Urine
Investigating primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (eg, renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...
AAUCD - Overview: Amino Acids, Urea Cycle Disorders Panel, Plasma
Follow-up of patients with urea cycle disorders
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...
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...