Test ID: ARBI
Acetylcholine Receptor (Muscle AChR) Binding Antibody, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
8338
Useful For Suggests clinical disorders or settings where the test may be helpful
Confirming the diagnosis of myasthenia gravis (MG)
Distinguishing acquired disease (90% positive) from congenital disease (negative)
Detecting subclinical MG in patients with thymoma or graft-versus-host disease
Monitoring disease progression in MG or response to immunotherapy
An adjunct to the test for P/Q-type calcium channel binding antibodies as a diagnostic aid for Lambert-Eaton myasthenic syndrome (LES) or primary lung carcinoma
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
This is the primary diagnostic test for myasthenia gravis.
See Paraneoplastic Evaluation Algorithm in Special Instructions.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Radioimmunoassay (RIA)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
ACh Receptor (Muscle) Binding Ab
Aliases Lists additional common names for a test, as an aid in searching
Acetylcholine Receptor (Muscle AChR) Antibodies
AChR (Acetylcholine Receptor)
Anti -Neuromuscular Junction Receptor Antibodies
Myasthenia Gravis Antibodies
AChR (Acetylcholine Receptor)
Anti -Neuromuscular Junction Receptor Antibodies
Myasthenia Gravis Antibodies
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