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The University of Chicago Medicine Laboratories

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Specimen Collection and Handling

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Mayo Clinic Laboratories

Test Code PREN Prenatal ABO, Rh, and Antibody Screen

Specimen and Container/Tube

Whole Blood pink top EDTA

Rejection Criteria

Specimen will be rejected if proper HANDWRITTEN collection information (date MM/DD/YY or MM/DD/YYYY, time and initials) are not on the specimen. 

Specimen Type

Whole Blood EDTA pink top

Preferred Volume

6 mL

Fee Code

30144, 30168, 30169

Test Includes

  • ABO type
  • RH type
  • Antibody Screen
    • Reflex Testing: Antibody work-up (ABWU) is ordered per protocol by Blood Bank based on positive antibody screen results
    • Reflex Testing: Antibody Titer (TTR) will be ordered per protocol by Blood Bank on initial detection / identification of a clinically significant antibody.  Subsequent titers must be ordered.

Container/Tube

Pink top, EDTA

NOTE: All blood bank samples must have HAND WRITTEN collection information on the label to be accepted (date MM/DD/YY or MM/DD/YYYY, time, and initials). See example below:

Example: UX 08/07/2024 0123

Specimen Minimum Volume

2 mL

Day(s) Performed

24/7

STAT DAY(S) AND TIME(S) PERFORMED

Not Available

CPT

86850, 86900, 86901

Pediatric Volume

2 mL

Test Components

  • ABO type
  • RH type
  • Antibody Screen
    • Reflex Testing: Antibody work-up (ABWU) is ordered per protocol by Blood Bank based on positive antibody screen results
    • Reflex Testing: Antibody Titer (TTR) will be ordered per protocol by Blood Bank on initial detection / identification of a clinically significant antibody.  Subsequent titers must be ordered. 

Last reviewed

Last reviewed 08/07/2024 RM