Inpatient and Outpatient Orderable

Myasthenia Gravis/Lambert-Eaton Myasthenic Syndrome Evaluation

Synonyms

  • LAB10959
  • Lambert-Eaton Myasthenic syndrome
  • LEABX
  • LEMS
  • LES
  • MuSK myasthenia
  • MYASTHENIA GRAVIS/LAMBERT - EATON EVAL.

Cerner Name

Myasthenia Gravis/Lambert-Eaton Eval

Clinical Info

Confirming the autoimmune basis of a defect in neuromuscular transmission (eg, myasthenia gravis [MG], Lambert-Eaton myasthenic syndrome [LEMS]) Distinguishing LEMS from autoimmune forms of MG Providing a quantitative autoantibody baseline for future comparisons in monitoring a patient's clinical course and response to immunomodulatory treatment
Mayo Test Code MGLE

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Red top tube or Gold Top Tube
Specimen: 3 mL serum ( 2 mL min)
Transport Temperature Refrigerated
Stability: 72 Hours Room Temperature
28 days Refrigerated (preferred) or Frozen

Specimen Volume

3 mL serum ( 2 mL min)

Transport Instructions

Specimen Stability

72 Hours Room Temperature
28 days Refrigerated (preferred) or Frozen

Methodology

ARBI, CCPQ, MUSK: Radioimmunoassay (RIA)ACMFS: Flow Cytometry

Days Performed

Performing Laboratory

Mayo Medical Laboratories

CPT

83519 x 2
83519 (if appropriate)
83519 (if appropriate);

PDM

5910940

Only Orderable at Locations:

Orderable Everywhere

Results
Component Name Base Name Common Name External Name
P/Q-TYPE ANTIBODY PQTYPEANTI P Q TYPE ANTIBODY P/Q-Type Calcium Channel Ab
ACRM BINDING ANTIBODY ACRMBIND ACRMBINDING AB AChR Binding Ab
INTERPRETATION MG INTMG INTERP MG MG Lambert-Eaton Interpretation, S

Result Interpretation

MG Lambert-Eaton Interpretation, S Interpretation NA
ACh Receptor (Muscle) Binding Ab Radioimmunoassay (RIA) < or =0.02 nmol/L
P/Q-Type Calcium Channel Ab RIA < or =0.02 nmol/L

Forms
LAB10959 build edit