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Test ID BLOD1142 Giardia GAM Antibody

Specimen Type/Requirements

Gold top (Serum w/ gel) tube - Serum 

Red top (Serum w/out gel) tube - Serum


Test is not affected by hemolysis or lipemia. 

Specimen Volume


Preferred Volume   1.0 mL  
Minimum Volume   0.5 mL 




Room Temperature   7 days    
Refrigerated   14 days   Preferred for transport  
Frozen   30 days  


Performed Test Frequency

Tuesday through Saturday


Immunofluorescence Assay (IFA)



Performing Lab

Quest Valencia

Additional Information

Recent or current infection by Giardia lamblia is suggested by either detection in IgM antibody or a four fold increase in IgG and /or IgA antibody titers between acute and convalescent sera.  Positive IgG and/or IgA without detectable IgM suggest past infection. 

Analytic Time

1 - 3 days

Interface Build Information

Result Code Result Code Description 
17632 Giardia IgG
17633 Giardia IgA
17634 Giardia IgM
17635 Interpretation