81222:STRIATED MUSCLE ANTIBODY, IgG WITH REFLEX TO TITER
Indirect Fluorescent Antibody (IFA)
1-5 days after setup at PeaceHealth Laboratories’ reference lab (48 hours if titered).
86255-90, if reflexed add 86256-90
Specimen Collection Details
One 7.5 mL serum separator tube (SST).
Allow to clot, centrifuge and separate serum from cells immediately and pour into a plastic vial.
48 hours ambient, 2 weeks refrigerated, or 1 year frozen. Avoid repeated freeze/thaw cycles.
1 mL serum.
150 µL serum.
Titers greater than or equal to 1:80 are suggestive of myasthenia; however, striated muscle antibody can be found in rheumatic fever, myocardial infarction, and a variety of post-cardiotomy states. All positives will be titered to endpoint. If Striated Muscle Antibody is >1:40, a titer will be added.
Plasma; grossly lipemic, hemolyzed, or contaminated specimen.