Engraftment Monitoring, Pre

CPT: 81265
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Synonyms

  • Chimerism Testing
  • Preëngraftment Monitoring

Test Includes

Genetic markers to determine if the donor and host samples can be distinguished


Special Instructions

To schedule this test, you must telephone 800-533-1037, HLA customer service.


Expected Turnaround Time

6 - 7 days



Related Documents

For more information, please view the literature below.

Transplant Engraftment Monitoring (Chimerism Testing)


Specimen Requirements


Specimen

Whole blood or LabCorp buccal swab kit (buccal swab collection kit contains instructions for use of a buccal swab)


Volume

Adult tube or LabCorp buccal swab kit


Minimum Volume

3 mL or four buccal swabs


Container

Lavender-top (EDTA) tube, yellow-top (ACD) tube, or Labcorp buccal swab kit. When submitting buccal swabs, please telephone 800-533-1037.


Storage Instructions

Maintain whole blood at room temperature. Keep buccal swabs dry and at room temperature.


Causes for Rejection

Hemolysis; clotted specimen


Test Details


Use

Determine if the potential donor and host have genetic differences that can be used to monitor the acceptance of a stem cell transplant


Limitations

Identical (monozygotic) twins will have identical alleles and, therefore, host and donor will not be distinguishable. Note: If determination of twin zygosity (monozygotic versus dizygotic) is needed, telephone 800-533-1037, HLA customer service.


Methodology

DNA analysis by polymerase chain reaction (PCR) of short tandem repeats (STR)


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
168138 Pre Tp Engraft 48008-8 168138 Pre Tp Engraft 48008-8

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