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Published on September 18, 2019

NK Function Assay - Referral

Tube Type = Green Top

Tube Type

Test ID LAB8015
EPIC Order NK FUNCTION REFERRAL
CPT Code(s) 86352, 86357
Group/Individual Test Group
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 10 mL blood/dark green sodium heparin tube; See Comments 
Micro: 5 mL blood
Availability Routine: Reference Laboratory - Cincinnati Children's Hospital Medical Center
Turnaround Time 6-10 days
Reference Range Normal: See separate report
Comments
  • Samples must be kept at Room Temperature. Specimen must be collected Monday-Thursday between 10:00 am and 2:00 pm, and received in laboratory by 3:00 pm.
  • Required specimen volume is dependent on total white blood count and absolute lymphocyte count. If these are low, a greater sample volume may be required.

Reviewed by J. Carr on December 16, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514