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Test Code LAB4501 Granulocyte Antibody Screen, Serum

Additional Codes

Mayo Test ID
LAGGN

Reporting Name

Granulocyte Ab Screen, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum Red


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.


St. Louis Children's Test Catalog Note:

ATTENTION: Whole blood collection volume to be sent to lab in a plain red-top tube is 3.0 mL (minimum 0.3 mL)

NOTE: Order will be cancelled by lab and re-ordered as a Miscellaneous Lab Test until the new Mayo test can be updated in SLCH LIS system.

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

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

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.

Method Name

Flow Cytometry/Agglutination

Reference Values

Not applicable

Day(s) Performed

Tuesday, Thursday

Report Available

7 to 15 days

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

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