Test Name: CD57, CD3, CD8 FLOW CYTOMETRY
Test Code: 2190976
Alias: LAB12129
CPT Code(s): 86359   86356x2  
Preferred Specimen:

5.0 mL whole blood

Please submit a separate specimen for this test. Do not combine with other testing.

Draw specimens Monday - Thursday only.  Call Client Services if an additional courier pick-up is needed.

Container:

EDTA (lavender) - fill tube to assure adequate specimen for testing. Suggest submitting 2-EDTA for testing.

Minimum Volume: 3.0 mL whole blood
Collection 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
Stability: Room temperature: 72 hours
Refrigerated: unacceptable
Frozen: unacceptable
Rejection Criteria:

Gross hemolysis

Received frozen

Limitations: 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.
Schedule: Set up: Mon-Sat; Report available: 3-5 days
Method: Flow Cytometry (FC)
Performing Lab: Quest Diagnostics, Chantilly; #19860
Use: Updated 2/28/22
Reference Ranges:

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

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.

Test Type:

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LOCATION ADDRESS

2635 Church Road, Suite 101|Aurora, IL 60502

Telephone: 630.315.6900|Fax: 630.315.6918

TTY: 711

HOURS OF OPERATION

7:30 am to 4:30 pm

Open daily; closed on holidays

This location is part of Northwestern Medicine, and staff members are able to access electronic medical records.