T- and B-Lymphocyte Differential Profile
Use
Enumeration of lymphocyte subsets for classification and diagnosis of primary immunodeficiency diseases and for evaluating and monitoring AIDS patients
Special Instructions
To preserve cellular viability, collect specimen so it will arrive in the laboratory within 48 hours of collection. Indicate date and time of venipuncture on the tube(s) and on the test request form.
Limitations
Tests need to be conducted within a specified timeframe from specimen collection to ensure accuracy. Delays in processing or transport at incorrect temperatures may impair results. Hemolysis, clotting, and improper storage can lead to rejection of specimens.
Methodology
Cell-based / Cytometry (Flow Cytometry)
Biomarkers
LOINC Codes
- 65759-3
- 8116-6
- 8122-4
- 24467-3
- 14135-8
- 8117-4
- 8124-0
- 8123-2
- 8101-8
- 54218-3
- 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.
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 |
Other tests from different labs that may be relevant