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HelpAntibody Identification
Additional Codes
LAB941
Performing Laboratory
MBMC Blood Bank
Methodology
MTS Gel/Manual Test Tube
Testing Algorithm
The following tests may also be ordered and performed as part of antibody identification: special red cell antigen typing, antibody elution, direct Coombs, and monospecific direct Coombs. These additional tests will determine or confirm antibody specificity and allo- vs. autoantibody.
All identified antibodies on prenatal patients will reflex an Antibody Titer. *Exception: Passive Anti-D, Warm Autoantibody, and Cold Autoantibody will not be reflexed.
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: 10 mL
Collection Instructions: Label tube per Patient Identification and Specimen Labeling Policy and Procedure in Special Instructions.
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Reference Values
Negative
If positive, antibodies will be identified and corresponding special red cell antigen typing on patient’s red blood cells will be performed. A consultation service is offered, at no charge, regarding the clinical relevance of red cell antibodies.
Test Classification and CPT Coding
86870 - Antibody identification
86860 - Antibody elution (if appropriate)
86880 x 2 - Antiglobulin, direct (if appropriate)
86905 - Each red cell antigen typing (if appropriate)
86978 - Absorption (if appropriate)
86906 - Rh phenotyping complete (if appropriate)
86886 - Antibody Titer (Prenatal only, if appropriate)