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HelpTest Code ABYSR Antibody Screen with Reflexed Antibody Identification, Blood
Shipping Instructions
Specimen must arrive within 72 hours of collection.
Specimen Required
Container/Tube: Pink top (EDTA)
Specimen Volume: 6 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ABIDR | Antibody Identification, RBC | Yes | No |
| ABTIR | Antibody Titer, RBC | Yes | No |
Testing Algorithm
If the antibody screen is positive, then antibody identification will be performed.
If the patient has a history of antibodies that are still detected, the antibody screen will be canceled and replaced by the antibody identification.
If certain antibodies are detected and the patient is known to be pregnant, an antibody titration will be performed.
Method Name
Hemagglutination
Specimen Type
Whole Blood EDTASpecimen Minimum Volume
3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 4 days |
| Ambient | 4 days |
Reject Due To
| Gross hemolysis | Reject |
Clinical Information
Transfusion and pregnancy are the primary means of sensitization to red cell antigens. In a given population, 2% to 4% of the general population possess irregular red cell alloantibodies. Such antibodies may cause hemolytic disease of the newborn or hemolysis of transfused donor red blood cells.
Reference Values
Negative
If positive, antibody identification will be performed.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86850
Forms
If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.
Day(s) Performed
Monday through Sunday