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HelpTest Code TREGS T-Cell Subsets, Regulatory (Tregs), Blood
Reporting Name
T Cell Subsets, Regulatory (Tregs)Useful For
Evaluating patients with clinical features of IPEX (immune dysregulation, polyendocrinopathy, enteropathy, X-linked inheritance) and other primary immunodeficiencies, autoimmune diseases, allergy and asthma, and graft-vs-host disease post-hematopoietic stem cell transplantation
Method Name
Flow Cytometry
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole Blood EDTAShipping Instructions
Specimens are required to be received in the laboratory weekdays and by 4 p.m. on Friday. Collect and package specimen as close to shipping time as possible.
It is recommended that specimens arrive within 24 hours of collection.
Samples arriving on the weekend and observed holidays may be canceled.
Necessary Information
Ordering physician's name and phone number are required.
Specimen Required
For serial monitoring, it is recommended that specimens are collected at the same time of day.
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions: Send specimen in original tube. Do not aliquot.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Ambient | 72 hours | PURPLE OR PINK TOP/EDTA |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Reference Values
The appropriate age-related reference values will be provided on the report.
Day(s) and Time(s) Performed
Monday through Friday
Do not send specimen after Thursday. Specimen must be received by 10 a.m. on Friday.
Test Classification
This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
86359
86361
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| TREGS | T Cell Subsets, Regulatory (Tregs) | 90413-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 609282 | CD4 (T Cells) | 24467-3 |
| 29143 | % Activated CD4+ T cells (4+CD25+) | 13332-2 |
| 29144 | % Natural Tregs | 89320-6 |
| 29145 | % N. Naive Tregs | 89319-8 |
| 29146 | % CD4+CD25-CD127+ (Tr1/Th3) | 89318-0 |
| 29147 | Activated CD4+ T cells (4+CD25+) | 26982-9 |
| 29148 | CD4+CD25+CD127loCD45RO+ (Nat Tregs) | 89316-4 |
| 29149 | CD4+CD25+CD127loCD45RA+ Naive Tregs | 89315-6 |
| 29150 | CD4+CD25-CD127+ (Tr1/Th3) | 89317-2 |
| 29177 | Interpretation | 69052-9 |