Home
HelpTest Code TREGS T-Cell Subsets, Regulatory (Tregs), Blood
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole Blood EDTAShipping Instructions
Testing performed Monday through Friday. Specimens not received by 4 p.m. Central time on Fridays may be canceled
Specimens arriving on the weekend and observed holidays may be canceled.
Collect and package specimen as close to shipping time as possible. It is recommended that specimens arrive within 24 hours of collection.
Necessary Information
The ordering healthcare professional's name and phone number are required.
Specimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Additional Information: For serial monitoring, it is recommended that specimens are collected at the same time of day.
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 |
Reference Values
The appropriate age-related reference values will be provided on the report.
Day(s) Performed
Monday through Friday
CPT Code Information
86359
86361
Report Available
3 to 4 daysSpecimen Retention Time
4 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |