| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CD57, CD3, CD8, Flow Cytometry [19860]
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
FLOWEZ
Alias/See Also
19860
CPT Codes
86359, 86356 (x2)<br><strong>This test is not available for New York patient testing.</strong>
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
3 mL • 0.5 mL pediatric
Other Acceptable Specimens
1 mL whole blood collected in a pediatric EDTA (lavender-top) tube
Instructions
Absolute count results provided with this test code require a CBC to be performed. The stability for the CBC is 48 hours. Please provide a CBC collected the same day as the submitted specimen, if it is anticipated the sample will not reach the laboratory within 48 hours.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Flow Cytometry (FC)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: 2-3 days
Reference Range
| CD57+/CD3- of % lymphs | 1-10 % |
| CD57+/CD3- of % WBC | 1-4 % |
| CD57+/CD3- absolute | 20-258 cells/uL |
| CD57+/CD3-/CD8- of % lymphs | 1-5 % |
| CD57+/CD3-/CD8- of % WBC | 1-3 % |
| CD57+/CD3-/CD8- absolute | 20-114 cells/uL |
| CD57+/CD8- of % lymphs | 1-15 % |
| CD57+/CD8- of % WBC | 1-4 % |
| CD57+/CD8- absolute | 20-248 cells/uL |
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: November 29, 2021
