Test Overview
Test Methodology
Quantitative Radioimmunoassay
Reference Range *
Acetylcholine Binding Ab: Negative 0.0-0.4 nmol/L ; Positive 0.5 nmol/L or greater
Acetylcholine Blocking Ab: Negative 0-26% blocking ; Indeterminate 27-41% ; Positive 42% or greater
Acetylcholine Receptor Modulating Ab Negative 4-45% Modulating; Positive 46 % or greater
MuSK <1:10
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Sunday - Saturday
Analytic Time
7 - 14 days
Soft Order Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo FGMRP (ARUP 3001869)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in SST or red top tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum
Storage Temperature
Refrigerated preferred, frozen acceptable
Additional Information
Test sent to Mayo Clinic Laboratories; performed by ARUP Laboratories
Billing
CPT Code
83519 Reflexes if appropriate: 83156, 83516, 86255, 86256