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Test Code Red Blood Cells (RBC), Packed, Neonatal Transfusion Red Blood Cells (RBC), Packed, Neonatal Transfusion

Important Note

A Mother-Infant Work-Up, Pretransfusion is
required
prior to this test. No additional specimen is needed
if baby is <4 months old and mother has a negative antibody
screen.

Specimen Required

Patient Preparation: A Mother-Infant Work-Up, Pretransfusion is
required prior to this test. See Mother-Infant Work-Up in test catalog for additional information.
Container Type:

Optimal:

Whole Blood: Mother--Pink Top (EDTA)

                       Infant--Lavender microtainer

        

Cord Blood: Lavender

Acceptable: Mother--Lavender

                    Cord Blood--Red Top

      

Optimal Collection Volume: 

Mother: 6.0mL Whole Blood

Infant:   1.0mL Whole Blood

              6.0mL Cord Blood

Collection Instructions:

Collect specimen and gently invert several times to mix. Label the specimen, in the presence of the patient, with full name, date of birth and patient medical record number. 

Processing Instructions: 

1. Collect sample in pink top (or lavender for cord blood)

   container.

2. Label per policy in the presence of the patient. Label cord

   blood as such.

3. Send whole blood sample to Blood Bank for testing.

Method Name

Packed cells will be dispensed in a syringe with volume ordered
plus 10 mL for infusion tubing. Units will be prefiltered with
leukopoor filters to decrease risk of cytomegalovirus infection and
will be hemoglobin S negative. Packed cell hematocrit will be
70% to 75%.

Stability Information

Specimen Type Temperature Time
  Refrigerated 3 days
  Ambient  1 day

Rejection Due To

Hemolysis Mild OK; Moderate OK; Gross Reject
Lipemia Mild OK; Moderate OK; Gross Reject
Icterus Mild OK; Moderate OK; Gross Reject
Other N/A

 

Performing Laboratory

Bronson Laboratory, Blood Bank-Kalamazoo

Day(s) and Time(s) Performed

24/7

Sample Retention Time

Blood Bank specimens (other than Cord Blood) are retained in the Blood Bank for 30 days. Pretransfusion testing should be completed within 2 days of collection.