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ACETYLCHOLINE RECEPTOR PANEL
Number 3241
CPT Code 83519
Alias ACHR, MYASTHENIA GRAVIS EVALUATION
Specimen Container SST
Specimen Type Serum
Turn Around Time
Days Performed
Reference Range
Alternate Specimen
Volume 3 mL Serum
Stability Ambient 7 Days
Stability Refrigerated 14 Days
Stability Frozen 14 Days
Patient Preparation
Methodology
RIA
Limitations
False positives can occur in patients with serum drawn within 48 hours of administration of general anesthesia and muscle relaxants. Antibodies to α-bungarotoxin may sometimes be found in patients treated with snake venom. Recently administered radioisotopes may interfere with the assay in unpredictable ways. Acetylcholine receptor autoantibodies are not typically found in congenital myasthenia gravis.
Rejection Criteria
Specimen contaminated with anticoagulants, chylous serum
Additional Instructions
Performing Laboratory Reference Laboratory
TagsACETYLCHOLINE RECEPTOR PANEL, MODULATING, BLOCKING, BINDING, RECEPTOR, ACHR