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HelpTest ID LAGGN Granulocyte Antibody Screen, Serum
Method Name
Flow Cytometry/Agglutination
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Additional Information: Only a specimen collected before a transfusion reaction is acceptable.
Reporting Name
Granulocyte Ab Screen, SSpecimen Type
Serum RedSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 30 days |
| Frozen | 365 days | |
| Ambient | 7 days |
Report Available
7 to 15 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LAGGN | Granulocyte Ab Screen, S | 105285-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| LAGG2 | GIFT/GAT Interpretation | 105288-5 |
| LAGG3 | GIFT Result | 105286-9 |
| LAGG4 | GAT Result | 105287-7 |
Useful For
Work-up of individuals with autoimmune neutropenia
Work-up of individuals having febrile nonhemolytic transfusion reactions
Work-up for alloimmune neonatal neutropenia
This test is not useful for the diagnosis of neutropenia due to marrow suppression by drugs or tumors.
Day(s) Performed
Tuesday, Thursday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86021 x2
Specimen Minimum Volume
0.3 mL
Reference Values
Not applicable