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ABO Group and Rh Type
Test CodeABO
Quest Code
7788
CPT Codes
86900,86901
Preferred Specimen
5 mL whole blood collected in an EDTA (pink-top) tube
Minimum Volume
5 mL
Other Acceptable Specimens
ACD (yellow-top) tube, red-top tube (no gel), cord blood or EDTA (lavender-top) tube
Instructions
If submitting with a CBC, HbA1c, or any other test requiring an EDTA (lavender-top) tube, please submit a separate tube for this test
Transport Container
EDTA (pink-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Serum separator tube (SST)
Methodology
Immune Agglutination
Setup Schedule
Day shift or night shift Mon-fri
Report Available
1-2 days
Limitations
Interferences may include abnormal plasma proteins, cold autoagglutinins, positive direct antiglobin test and bacteremia.
Reference Range
See Laboratory Report
Clinical Significance
ABO type and Rh are needed to identify candidates for Rh immune globulin and to assess the risk of hemolytic disease of the newborn.
Performing Laboratory
| Quest Diagnostics LLC |
| 200 Forest Street, 3rd Floor, Suite B |
| Marlborough, MA 01752-3023 |
