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Lab Test Dictionary

Myasthenia Gravis/Lambert-Eaton Myasthenic Syndrome (MGLE)


Radioimmunoassay (RIA); Flow Cytometry

Specimen Type


Performing Lab

Mayo Medical Lab

Epic ID

Other Reference

Lab Test Days

Monday, Wednesday, Saturday

Standard TAT

3-11 Days

Collection Information

Specimen Required

4-6 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Patient should have no general anesthetic or muscle-relaxant drugs in the preceding 24 hours.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=72 Hours; Refrigerated=28 Days; Frozen=28 Days

Rejection Criteria

Gross hemolysis; Gross lipemic; Gross icteric

Test Volume Required

3 mL Serum

Minimum Test Volume

2 mL Serum

Included Tests

MG Lambert- Eaton Interpretation, S, ACh Receptor (Muscle) Binding Ab, P/Q-Type Calcium Channel Ab, AChR Modulating Flow Cytometry, S, MuSK Autoantibody, S

CPT Codes

83519 x2, 86255, 83519