Acetylcholine receptor antibody is a protein found in the blood
of most people with myasthenia gravis. The antibody affects a
chemical that sends signals from nerves to muscles and between
nerves in the brain. This article discusses the blood test for
acetylcholine receptor antibody. How the test is performed A
blood sample is needed. For information on how this is done,
see: Venipuncture How to prepare for the test No special
preparation is required. How the test will feel There may be a
slight stinging or pricking sensation when blood is drawn, but
this is usually mild and brief. Normally, there is no
acetylcholine receptor antibody (or less than 0.05 nmol/L) in
the bloodstream. Note: nmol = nanomole Note: Normal value ranges
may vary slightly among different laboratories. Talk to your
doctor about the meaning of your specific test results. The
example above shows the common measurement for results for these
tests. Some laboratories use different measurements or may test
different specimens. What abnormal r