Test Details
Methodology
DNA analysis by polymerase chain reaction (PCR) of short tandem repeats (STR)
Result Turnaround Time
6 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Test Includes
Genetic markers to determine if the donor and host samples can be distinguished
Use
Determine if the potential donor and host have genetic differences that can be used to monitor the acceptance of a stem cell transplant
Special Instructions
To schedule this test, you must telephone 800-533-1037, HLA customer service.
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.
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
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 | |
| Order Code | 168138 | |||||
| Order Code Name | Pre Tp Engraft | |||||
| Order Loinc | 48008-8 | |||||
| Result Code | 168138 | |||||
| Result Code Name | Pre Tp Engraft | |||||
| UofM | ||||||
| Result LOINC | 48008-8 |