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Specimen Collection Manual and Test Catalog

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IMMUNOGLOBULIN QUANTITATIVE

Geisinger Epic Procedure Code:  LAB2526    Geisinger Epic ID:  21431

SPECIMEN COLLECTION
Specimen type: 

Plasma or Serum


Specimen required: 

1 mL of serum or plasma; minimum 0.5 mL.


Patient preparation: 

Fasting specimen preferred.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated (preferred). Room temperature or frozen specimen also acceptable.


Specimen stability: 

Room temperature: 2 months. Refrigerated: 4 months. Frozen: 6 months.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

See individual member listings.


CPT code(s):  82784 x 3
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: 

IgG, IgA, IgM.


Methodology: 
Immunoturbidity
Synonyms: 

GAM; G, A, and M


Clinical significance: 

See individual member listings.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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