ENAE - Overview: Antibody to Extractable Nuclear Antigen Evaluation, Serum
Evaluating patients with clinical features suggestive of antinuclear antibody (ANA) associated connective tissue disease. May also be indicated in patients who test negative for ANA and have features of Sjogren syndrome and idiopathic...
HCYSS - Overview: Homocysteine, Total, Serum
An aid for screening patients suspected of having an inherited disorder of methionine metabolism including: -Cystathionine beta-synthase deficiency (homocystinuria) -Methylenetetrahydrofolate reductase deficiency and its thermolabile...
HCYSP - Overview: Homocysteine, Total, Plasma
An aid for screening patients suspected of having an inherited disorder of methionine metabolism including: -Cystathionine beta-synthase deficiency (homocystinuria) -Methylenetetrahydrofolate reductase deficiency and its thermolabile...
Diagnosis of inflammatory demyelinating diseases (IDD) with similar phenotype to neuromyelitis optica (NMO) spectrum disorder (NMOSD), including optic neuritis (single or bilateral) and transverse myelitis Diagnosis of autoimmune myelin...
CDS1 - Overview: CNS Demyelinating Disease Evaluation, Serum
Diagnosis of inflammatory demyelinating diseases (IDDs) with similar phenotype to neuromyelitis optica spectrum disorder (NMOSD), including optic neuritis (single or bilateral) and transverse myelitis Diagnosis of autoimmune myelin...
RNP - Overview: RNP Antibodies, IgG, Serum
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive Testing for ribonucleoprotein particle antibodies is not useful in patients without demonstrable...
SSB - Overview: SS-B/La Antibodies, IgG, Serum
Evaluating patients with clinical features or at-risk for connective tissue disease, especially Sjögren syndrome.
SM - Overview: Smith (Sm) Antibodies, IgG, Serum
Evaluating patients with clinical features suggestive of antinuclear antibody associated connective tissue disease and the confirmation of a diagnosis of systemic lupus erythematosus. Testing for Smith antibodies is not useful in patients...
SSAB - Overview: SS-A and SS-B Antibodies, IgG, Serum
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive, especially those with signs and symptoms consistent with Sjogren syndrome or lupus erythematosus This test...
CCP - Overview: Cyclic Citrullinated Peptide Antibodies, IgG, Serum
Evaluating patients suspected of having rheumatoid arthritis (RA) Differentiating RA from other inflammatory arthritis or connective tissue diseases
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......