Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

The omicron variant of COVID-19 has caused a surge in symptoms and positive cases across the United States, and since a few of the symptoms resemble a common cold, one question some are asking is: Did ...

A thyroglobulin antibody (TgAb) test looks for certain antibodies that attack the thyroid. The presence of TbAb in high levels may indicate that someone has an autoimmune condition. To conduct a TgAb ...

As the world watches and wonders when coronavirus pandemic stay-at-home orders and social distancing measures might end, some hope antibody tests might help provide a solution. As the world watches ...

Thyroid antibodies are cells the immune system forms in response to thyroid cells. They develop when the immune system mistakenly attacks thyroid cells and tissues. High levels can indicate an ...

At-home celiac tests come in two main types: antibody tests that i.d. certain proteins present in the blood of people with celiac disease, and genetic tests that detect certain variants. For accurate ...

Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at goatsandsoda@npr.org with the ...

The herpes simplex virus (HSV) antibodies test is a type of herpes simplex test that determines whether or not you’ve ever been exposed to this virus. Specifically, it’s a blood test that looks for ...

A tissue transglutaminase IgA test or tTg-IgA test is an effective method used in the diagnosis of celiac disease. It is a blood test that checks for antibodies or immunoglobulins, which are proteins ...