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ABO Group and Rh Type
Test Code7788
Preferred Specimen
5 mL Whole blood.
Collection Instructions:
__Note: EDTA (lavender-top tube): If submitted with a CBC,
__HBA1C, or any other test requiring an EDTA (lavender-top)
__tube, please submit a separate tube for this test.
Collection Instructions:
__Note: EDTA (lavender-top tube): If submitted with a CBC,
__HBA1C, or any other test requiring an EDTA (lavender-top)
__tube, please submit a separate tube for this test.
Minimum Volume
5 mL Whole blood
Other Acceptable Specimens
5 mL Cord blood
Transport Container
Whole blood
__EDTA (pink-top) (preferred)
__ACD solution A (yellow-top)
__ACD solution B (yellow-top)
Cord blood: EDTA (lavender-top)
__EDTA (pink-top) (preferred)
__ACD solution A (yellow-top)
__ACD solution B (yellow-top)
Cord blood: EDTA (lavender-top)
Transport Temperature
Whole blood: Refrigerated preferred; Room temperature
_acceptable; Frozen unacceptable
Cord blood: Room temperature preferred; Refrigerated
_acceptable; Frozen unacceptable
_acceptable; Frozen unacceptable
Cord blood: Room temperature preferred; Refrigerated
_acceptable; Frozen unacceptable
Specimen Stability
Whole blood or Cord blood
__Room temperature: 72 Hours
__Refrigerated: 7 Days
__Frozen: Unacceptable
__Room temperature: 72 Hours
__Refrigerated: 7 Days
__Frozen: Unacceptable
Methodology
Immune Agglutination
Setup Schedule
Sets up 5 days a week.
Report Available
Reports in 4 to 5 days.
Limitations
Interferences may include abnormal plasma proteins, cold autoagglutinins, positive direct antiglobin test and bacteremia.
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.
