CD57+ NK Cells, Peripheral Blood by Flow Cytometry
2008912
Ordering Recommendation
 
Mnemonic
CD57
Methodology
Flow Cytometry
Performed
Sun-Sat
Reported
1-3 days
1-3 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).  
Specimen Preparation
Transport 4 mL whole blood. (Min: 0.5 mL) Specimens must be analyzed within 72 hours of collection.  
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated.  
Unacceptable Conditions
Specimens older than 72 hours. Clotted or hemolyzed specimens.  
Remarks
  
Stability
Ambient: 72 hours; Refrigerated: 72 hours; Frozen: Unacceptable  
Reference Interval
 
 
Available Separately Components Reference Interval
No Percent CD57+CD3-​ (NK Cells) 1-​16 percent of lymph
No Abs CD57+CD3-​ (NK Cells) 21-​357 cells/µL
Interpretive Data
This test identifies and quantifies the CD57+/CD3-NK cells. The significance of low CD57+NK values in diagnosing and monitoring chronic Lyme disease is not well established and should be used in conjunction with other diagnostic tests specified in the Centers for Disease Control Lyme Disease case definition.

See Compliance Statement A: www.aruplab.com/CS
Statement A: Analyte specific reagents (ASR) are used in many laboratory tests necessary for standard medical care and generally do not require U.S. Food and Drug Administration (FDA) approval or clearance. This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This test should not be regarded as investigational or for research use.
 
Note
 
CPT Code(s)
86356 X 2
Components
Component Test Code*Component Chart NameLOINC
2008913% CD57+CD3- (NK Cells)51286-3
2008914Abs CD57+CD3- (NK Cells)50640-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases