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Test Code IGGC IgG Coombs, Blood


Shipping Instructions


Specimen must arrive within 48 hours of draw.



Specimen Required


Only orderable as a reflex. For more information see DAT / Direct Coombs, Blood.

 

Container/Tube: Pink top (EDTA)

Specimen Volume: Entire specimen

Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.


Useful For

Detection of alloantibodies or autoantibodies directed against red blood cell antigens

 

Evaluation of transfusion reactions

 

Evaluation of hemolytic anemia

Testing Algorithm

The monospecific IgG Coombs test is a reflex test for a positive direct Coombs test.

 

If the direct Coombs is positive due to IgG, then antibody elution will be performed.

 

The following tests may also be ordered and performed as part of a positive IgG Coombs: antibody elution, antibody identification, and antibody adsorption.

Method Name

Only orderable as a reflex. For more information see DAT / Direct Coombs, Blood.

 

IgG Coombs

Reporting Name

IgG Coombs

Specimen Type

Whole Blood EDTA

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA  

Reject Due To

Gross hemolysis Reject

Reference Values

Only orderable as a reflex. For more information see DAT / Direct Coombs, Blood.

 

Negative

 

If positive due to IgG, antibody identification and elution may be performed.

Performing Laboratory

MCHS- Mankato

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86880-Direct Coombs

86860-Antibody elution (if appropriate)

86870-Antibody identification (if appropriate)

86978-Adsorption (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IGGC IgG Coombs 55776-9

 

Result ID Test Result Name Result LOINC Value
IGGC IgG Coombs 55776-9

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day