Test Details
Mnemonic
GRANS
Ordering Code
3800422
CPT-4 Code(s)
86021 x 2
Specimen Information
Patient Preparation
Only a specimen collected before a transfusion reaction is acceptable.
Collect
Red top
Specimen Preparation
Centrifuge, separate and send 1.5 mL serum in a screw capped plastic vial.
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), gross hemolysis
Stability
Room temperature: 7 days
Refrigerated: 30 days
Frozen: 1 year
Refrigerated: 30 days
Frozen: 1 year
Methodology
Flow Cytometry/Agglutination
Reference Range
Negative
Performing Laboratory
Mayo
New York DOH Approval Status
Yes