There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...

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 ...

Routine thymic imaging/assessment and AChR antibody testing are supported, as both were strongly linked to subsequent generalization in ocular myasthenia gravis. Independent predictors of conversion ...

The hepatitis A virus (HAV) antibody (AB) total test identifies both types of antibodies that the body produces in response to HAV infection. A reactive result means the test has detected HAV ...

Rubella antibodies in the blood mean that a person’s immune system has developed a response to the rubella virus. A positive result for rubella immunoglobulin (IgG) antibodies means a person is immune ...