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Test Code LAGGT Granulocyte Antibodies, Serum

Reporting Name

Granulocyte Ab, S

Useful For

The work-up of individuals having febrile, nonhemolytic transfusion reactions


The detection of individuals with autoimmune neutropenia

Method Name

Indirect Immunofluorescence

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required

Container/Tube: Red top

Specimen Volume: 1.5 mL

Additional Information: Only pretransfusion reaction specimen is acceptable.

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 30 days
  Frozen  365 days
  Ambient  7 days

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK


Serum gel tube


Reference Values

Not applicable

Day(s) and Time(s) Performed

Tuesday, Wednesday, Friday; 7:30 a.m.-5 p.m.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
LAGGT Granulocyte Ab, S In Process


Result ID Test Result Name Result LOINC Value
LAGG Granulocyte Ab, S In Process

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.