Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

VGCC TYPE P/Q AUTOAB(LEMS)

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2589         Geisinger Epic ID: 20212

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
2 mL aliquot of serum; minimum 0.5 mL
Special notes:
Serum separator tubes (SST) not acceptable.

SPECIMEN PROCESSING
Specimen processing instructions:
Allow to clot. Centrifuge 10 minutes at 3000 rpm. 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 72 hours. Refrigerated: 28 days. Frozen: One year.
Rejection criteria:
Specimen collected in serum separator tube (SST).

TEST DETAILS
Reference interval:
See report.
Additional information:
Turnaround time: 10 days.
CPT code(s):
83519
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Detection of antibodies to voltage-gated calcium channels (VGCC), P/Q type
Methodology:
Immunoprecipitation
Synonyms:
LAMBERT EATON MYASTHENIC SYNDROME,LEMS
LEMS Antibody, VGCC
Quest test code 116082
Clinical significance:
Anti-voltage-gated calcium channels (VGCC), P/Q type are found in patients with muscle weakness, sometimes accompanied by autonomic nervous system dysfunction or cerebellar ataxia. Less commonly paraneoplastic cerebellar degeneration.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up varies. Report available 7-10 days.    
Performed stat? No
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