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HelpTest Code ABONR ABO/Rh Newborn, Blood
Specimen Required
Container/Tube: Pink top (EDTA Micro tube)
Specimen Volume: 0.5 mL
Collection Instructions:
1. Invert several times to mix blood.
2. 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 |
Testing Algorithm
Includes ABO and Rh blood group antigens.
Method Name
Hemagglutination
Specimen Type
Whole Blood EDTASpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 10 days |
| Ambient | 4 days |
Reject Due To
| Gross hemolysis | Reject |
Clinical Information
The ABO and Rh typing indicates the presence of 2 of the various blood group systems. The identification of antigens in the ABO and Rh system has its major application in the selection of blood and blood products of the appropriate ABO/Rh type for transfusion therapy and in the determination of the mother's candidacy for Rh immune globulin therapy.
Weak D testing will be performed on all Rh-negative babies.
Reference Values
ABO and Rh blood group antigens identified
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester