T cell subsets CD4/CD8 only, counts
General Information
- Lab Name
- T cell subsets CD4/CD8 only, counts
- Lab Code
- TCS48
- Epic Name
- T Cell Subsets - CD4 & CD8 Only
- Description
This assay provides absolute cell counts and percentages for CD4 and CD8 T cell subsets.
All lymphocyte subset panels offered:
T cell subsets CD4/CD8 only, counts [TCS48] - CD4, CD8
T cell subsets CD3/CD4/CD8, counts [TCSA] - CD4, CD8, CD3
Lymphocyte subsets, T and B cell counts [TCSP] - CD4, CD8, CD3, CD19
Lymphocyte subsets, T, B, NK cell counts [TCSNK] - CD4, CD8, CD3, CD19, CD56
CD19+ B Cell Count [BCS19] - CD19 only- References
- Components
-
Code Name CD4P % CD4 CD4A Abs CD4 Lymphocyte Cnt CD8P % CD8 CD8A Abs CD8 Lymphocyte Cnt CD4CD8 CD4/CD8 Ratio NFDA4 Test Comment
Interpretation
- Guidelines
- Method
This is a single platform lymphocyte subset assay and has been approved by the U.S. Food and Drug Administration.
- Reference Range
- See individual components
- Ref. Range Notes
%CD4 [33-61] Abs CD4 [0.730-2.250] Thou/uL %CD8 [14-35] Abs CD8 [0.250-1.240] Thou/uL CD4/CD8 [1.00-3.78] - Interferences and Limitations
The stability limit for this FDA approved assay is 24 hours.
- References
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
3 or 4 mL LAVENDER TOP tube.
Unacceptable: Any gel tube. - Handling Instructions
Specimens must be tested within 24 hours of collection for this FDA assay. For samples received > 24 hours after collection, test will be canceled and a re-draw will be requested. Specimens must be transported at room temperature. Refrigerated or frozen specimens will be canceled and a re-draw will be requested.
- Quantity
-
Requested: 3-4 ml
Minimum: 1 ml
Processing
- Receiving Instructions
Stability: 24 hours @Room Temperature
SPS: SPS: Sample can be shared with CBC. Do not add on test if sample will be received in the Hematopathology lab outside the 24-hour stability limit. If sample is approaching 24 hour stability limit, contact hematopathology lab (206-606-7060) to notify them that a specimen is coming and send immediately.
Outside Laboratories: Specimens must be tested within 24 hours of collection. For samples received > 24 hours after collection, test will be canceled and a re-draw will be requested. Contact Lab Med Call Center 206-520-4600 to discuss transportation options. Specimens can be sent directly to the hematopathology lab as well (include contact info).
- Misc Sendout
Performance
- Lab Department
- Hematopathology(HP)
- Frequency
- Monday-Sunday.
- Available STAT?
- No
- Performing Location(s)
-
Other Hematopathology
206-606-7060UW Hematopathology Laboratory, G7-800
Fred Hutchinson Cancer Center
825 Eastlake Avenue E.
Seattle, WA 98109Hematopathology hours:
5:30 am - 6:30 pm Monday through Saturday
7:30 am - 4:00 pm Sunday, and with reduced staffing on major holidays
Billing & Coding
- CPT Codes
- 86360
- LOINC
- 65759-3
- Interfaced Order Code
- UOW1515