Sign in →

Test Code C3AHG Anti-C3 Coombs, Blood


Shipping Instructions


Specimen must arrive within 48 hours of collection.



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

A positive direct Coombs result is further investigated using monospecific reagents with anti-IgG and anti-C3b-C3d specificity. The following tests may also be performed as part of a positive result: monospecific direct Coombs, antibody elution, antibody identification, and antibody absorption.

Method Name

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

 

Hemagglutination

Reporting Name

Anti-C3 Coombs

Specimen Minimum Volume

3 mL

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 C3, antibody identification 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-Anti-C3 Coombs

LOINC Code Information

Test ID Test Order Name Order LOINC Value
C3AHG Anti-C3 Coombs 54410-6

 

Result ID Test Result Name Result LOINC Value
C3AHG Anti-C3 Coombs 54410-6

Day(s) Performed

Varies

Report Available

Same day/1 day