NATURAL KILLER CELL FUNCTION

Components
Contact Warde Medical Laboratory prior to sample collection for special logistics arrangements.

Specimen Required
Draw blood in a green sodium heparin tube. Send 10.0 mL whole blood (5.0 mL minimum) room temperature. Submit Monday-Wednesday only. TESTING MUST BE PREARRANGED.

Rejection Criteria
Hemolysis, refrigerated sample, frozen samples, clotted specimens, expired (>48 hours).

Methodology
Flow Cytometry

Stability
Room temperature: 48 hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Reference Range
Decreased Activity:   <7 LU30  
Normal Activity:   7-125 LU30  
Increased Activity:   >125 LU30  

Performed
Tuesday-Friday

Turnaround Time4-8 days
Test CodeNKCF
CPT-4 Code (s)
88184, 88185 x 2
LOINC Codes
34439-0

Warde
Medical
Laboratory