Test Overview

Test Usage

Done on patients who have a positive antibody screening test to identify unexpected antibody(ies). Antibody identification is routinely necessary prior to transfusion.

Reference Range*

Interpretive report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Antibody may be too weak to be detected and/or identified. Antibody to high incidence antigens may require referral to reference laboratory. Antibody to low incidence antigens may not be detected.

Test Details

Days Test Performed

Monday - Friday, 7:30am - 4:00pm

Analytic Time

4 - 96 hours

Soft Order Code


MiChart Code

Antibody Identification



Red Cell Antigen Typing
Blood Type, Antibody Identification
Red Cell Antibody Evaluation

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Blood Bank

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Specimen Requirements

Offsite Collection Instructions

Collect specimens in two pink top tubes. Send intact specimens at room temperature. Specimens are unacceptable if collected in serum separator tube, contaminated, or grossly hemolyzed. Specimens sent for Blood Bank testing cannot be split for use by other laboratories.


Pink Top Tube

Normal Volume

6 mL whole blood

Additional Information

Antibody Identification studies include a 10 cell panel. If additional red cell panels are required for identification, this testing will be performed at an additional charge. If antigen determination is indicated Human Erythrocyte Antigen Genotyping will be performed at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated.

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