Update Type: Test Discontinued
Test Updated: 12/06/2023
Test Overview
Test Methodology

Flow Cytometry

Test Usage

The CD57 panel may be useful in the monitoring of patients with chronic Lyme Disease.

Reference Range *

Interpretive report provided

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

4 - 6 days

Soft Order Code
MiChart Code
Miscellaneous Quest Valencia Testing
  • Natural Killer Cell Marker CD57
Reference Laboratory
Quest Valencia 19860
Special Testing
Specimen Requirements

CBC results need to be sent with the sample if it will not be received by Quest within 48 hrs.

Collection Instructions

Collect specimen in a lavender top tube. Send intact whole blood at room temperature. Specimens are accepted Monday through Thursday only and must be received by performing laboratory within 72 hours of collection (specimen must be received by MLabs by 4:00 pm).

Special Handling

Specimen should be collected Monday - Thursday only, and must be received within 72 hours of draw by Quest Valencia

Normal Volume
5 mL EDTA whole blood
Minimum Volume
3 mL EDTA whole blood
Storage Temperature
Rejection Criteria
Not received within 72 hours by reference lab
Additional Information

Panel includes CD57, CD3, and CD8 count. Test sent to Quest Diagnostics Nichols Institute of Valencia.

CPT Code
88184, 88185 x2
Fee Code
AA367, AA68 x2