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Specimen Collection Manual and Test Catalog

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MYELIN ASSOC.GLYCO (MAG)AB W/RFLX MAG-SGPG & MAG

Geisinger Epic Procedure Code:  LAB2722    Geisinger Epic ID:  38642

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Specimen required: 

2 mL serum.


Special notes: 

Serum separator tubes unacceptable.



SPECIMEN PROCESSING
Transport temperature: 

Refrigerated.


Specimen stability: 

Refrigerated (cold packs): 7 days. Frozen: 30 days.


Rejection criteria: 

Stability limits exceeded. Serum separator tubes unacceptable.



TEST DETAILS
CPT code(s):  84181, 83520 x2 (if positive)
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: 

If the MAG Ab IgM, WB, result is positive, then both MAG-SGPG Ab (IgM), EIA, and MAG Ab (IgM), EIA, will be performed at an additional charge


Methodology: 
Western Blot
Synonyms: 

Quest test code 10063, MAGRFL


Clinical significance: 

MAG, Western Blot with Reflexes, is useful in detecting antibodies associated with autoimmune peripheral neuropathy.


Review Date:  12/04/2024

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