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GRABS / LAGGT-M
GRANULOCYTE ANTIBODIES, SERUM

Test Code GRABS / LAGGT-M 
Test GRANULOCYTE ANTIBODIES, SERUM 
Methodology Indirect Immunofluorescence 
Description Useful for the workup of individuals having febrile, nonhemolytic transfusion reactions, and for the detection of individuals with autoimmune neutropenia 
Specimen Draw blood in a plain red-top tube (SERUM GEL TUBE IS NOT ACCEPTABLE). Spin down and send 2.0 mL (minimum: 0.5 mL) refrigerated serum in a plastic screw-capped vial.

NOTE: Only pretransfusion reaction specimen is acceptable. 

Reference Values Negative (reported as positive or negative). 
Analytic Time 1 Day 
Day(s) Test Set Up Monday 
CPT Code(s) 86021