T-Cell Activation Profile, CD8 Subsets
Use
Expanded profile for AIDS monitoring and prognosis. An increase in activation markers is associated with poor prognosis.
Special Instructions
Indicate the date and time of venipuncture on the tube(s) and on the test request form. This information is crucial for ensuring the specimen's viability and accurate test results.
Limitations
The test has been developed and its performance characteristics determined by Labcorp. However, it has not been cleared or approved by the Food and Drug Administration. This could imply limitations in regulatory endorsement and possibly restrictions in clinical use depending on jurisdictional guidelines.
Methodology
Cell-based / Cytometry (Flow Cytometry)
Biomarkers
LOINC Codes
- 65758-5
- 8122-4
- 8124-0
- 24467-3
- 8123-2
- 14135-8
- 8101-8
- 54218-3
- 16107-5
- 13337-1
- 13333-0
- 26997-7
- 13344-7
- 21374-4
- 6690-2
- 789-8
- 718-7
- 4544-3
- 787-2
- 785-6
- 786-4
- 788-0
- 777-3
- 770-8
- 736-9
- 5905-5
- 713-8
- 706-2
- 75652-8
- 751-8
- 731-0
- 742-7
- 711-2
- 704-7
- 71695-1
- 53115-2
- 58413-6
- 18314-5
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
Fill tube(s) to capacity.
Minimum Volume
Not provided
Container
Lavender-top (EDTA) tube and yellow-top (ACD-A) or (ACD-B) tube
Collection Instructions
Invert tube 8 to 10 times immediately after collection. To preserve cellular viability, collect specimen so it will arrive in the laboratory within 48 hours of collection.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Hemolysis; specimen refrigerated or frozen; clotted specimen; contaminated specimen
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Yellow-top (ACD-A) or (ACD-B) tube: 2 days; Lavender-top (EDTA) tube: 1 day |
| Refrigerated | Unstable |
| Frozen | Unstable |