Test Directory

Test Code
CBASD
Test Name
Cord Blood Expanded
CPT Codes
86850, 86880, 86900, 86901
Included Tests
  • ABO
  • Rh
  • Antibody Screen
  • Direct Coombs Test

Reflexed when appropriate

  • Antibody Identification
  • Phenotype Antigen Test
  • Direct Coombs Test
  • Eluate
  • EGA Treatment
  • Human Erythrocyte Antigen (Genotype)
  • Adsorption
Expected Turnaround Time
1 day
Clinical Utility

Cord blood testing will be performed on babies born with expected transfusion for Golden Hour Protocol

Specimen and Container Info

Preferred Specimen Type: Cord Blood

Preferred Collection Container: 2 Microtainers, Lavender Top (EDTA)

Alternate Collection Container: 1 Microtainer, Lavender Top (EDTA)

Desired Specimen Volume: 2 mL

Minimum Acceptable Volume: 1 mL

Collection Instructions

The specimen tube shall be properly labeled with the following 3 independent identifiers for inpatients and outpatients:

  1. Patient's full name
  2. Date of birth
  3. Medical record number

The labels shall also include the following verifiers:

  1. Date and time of collection
  2. Initials/tech code of phlebotomist
Transport Instructions

i. Transport to the laboratory at room temperature within 24 hours of collection

ii. Transport to the laboratory refrigerated past 24 hours of collection

Stability Requirements

Room Temperature

24 hours

Refrigerated

7 days
Causes for Rejection
  • Mislabeled
  • Insufficient volume
  • Inappropriate specimen type
Methodology
Hemagglutination
Critical Values

Positive antibody screen

Performing Location
Cedar Crest Hospital, Muhlenberg Hospital, Pocono Hospital
Testing Schedule
Routine daily, STAT testing available
Reflex Tests
%ABI, %DBS, %DIG, %ELU, MGNT1