Clinical Significance
ABO Group and Rh Type, Cord Blood - ABO type and Rh are needed from cord blood to determine the newborn's blood type and Rh.
Methodology
Immune Agglutination
Preferred Specimen(s)
5 mL cord blood collected in an ACD-A or ACD-B (yellow-top) tube
Alternative Specimen(s)
Red-top tube (no gel) • EDTA (pink-top) tube • EDTA (lavender-top) tube
Note: 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
1 mL
Collection Instructions
Sample should be labeled with infant's name, sex and date of birth
Transport Container
ACD-A or ACD-B (yellow-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria
Hemolysis • Serum Separator Tube (SST®)