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Acetylcholine Receptor (achr)-binding antibodies, serum

Test Code
85902


Alias/See Also
acrab, myasthenia gravis antibody


CPT Codes
83519

Preferred Specimen
serum


Minimum Volume
0.3 ml


Transport Container
Red-top tube or gel-barrier tube


Transport Temperature
Refrigerate.


Methodology
This assay measures antibodies that precipitate solublized muscle AChR that has been complexed with radiolabeled alpha-bungarotoxin (aBTX). Antibodies that bind to the receptor regions that are not sterically blocked by the aBTX are detected.



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.