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Synonyms
- Chimerism Testing
- Postengraftment Monitoring
Test Includes
Polymorphic genetic markers (loci) to distinguish host versus donor cells
Special Instructions
To schedule this test, you must telephone HLA customer service at 800-533-1037.
Expected Turnaround Time
3 - 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.
Related Information
Related Documents
For more information, please view the literature below.
Specimen Requirements
Specimen
Whole blood, marrow cells, fractionated cells, or extracted DNA
Volume
Adult tube
Minimum Volume
3 mL
Container
Lavender-top (EDTA) tube
Storage Instructions
Maintain whole blood at room temperature.
Causes for Rejection
Hemolysis; clotted specimen
Test Details
Use
Monitor the acceptance of donor cells by the host (recipient) of a stem cell transplant. Polymorphic loci determined in the preëngraftment testing are used for the evaluation.
Limitations
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
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 |
|---|---|---|---|---|---|---|
| 168120 | Post Tp Engraft | 168125 | Donor 1 | N/A | ||
| 168120 | Post Tp Engraft | 168163 | Donor 2 | N/A | ||
| 168120 | Post Tp Engraft | 168164 | Donor 3 | N/A | ||
| 168120 | Post Tp Engraft | 168165 | Donor 4 | N/A |
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CPT Statement/Profile Statement
The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf