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Test ID: FMUSK    
MuSK Antibody

Method Description Describes how the test is performed and provides a method-specific reference

Detection of MuSK associated antibodies was performed by Radioimmunoassay (RIA) using highly purified MuSK recombinant antigen. The use of purified recombinant antigen virtually eliminates non-specific reactivity thereby reducing the likelihood of false positive test results. Samples are screened at an initial dilution of 1:10. For samples positive on screen, quantitation of anti-MuSK antibody expressed as titer units is calculated from comparison of specimen serial dilutions to negative and elevated MuSK reference standards.

PDF Report Indicates whether the report includes an additional document with charts, images or other enriched information


Day(s) and Time(s) Test Performed Outlines the days and times the test is performed. This field reflects the day and time the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time required before the test is performed. Some tests are listed as continuously performed, which means assays are performed several times during the day.


Analytic Time Defines the amount of time it takes the laboratory to setup and perform the test. This is defined in number of days. The shortest interval of time expressed is "same day/1 day," which means the results may be available the same day that the sample is received in the testing laboratory. One day means results are available 1 day after the sample is received in the laboratory.

7 - 14 days

Maximum Laboratory Time Defines the maximum time from specimen receipt at Mayo Medical Laboratories until the release of the test result

9 - 16 days

Performing Laboratory Location The location of the laboratory that performs the test

Athena Diagnostics