Test Details

Mnemonic

NKCF

Ordering Code

3508000

CPT-4 Code(s)

88184, 88185 x 2

Specimen Information

Patient Preparation

Normal diet, fasting preferred to avoid lipemia.

Collect

Green sodium heparin

Specimen Preparation

Send 10.0 mL whole blood. SUBMIT MONDAY - WEDNESDAY ONLY. Do not draw the day prior to a holiday. TESTING MUST BE PREARRANGED.

Minimum Volume

5.0 mL

Transport Temperature

Room temperature

Rejection Criteria

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

Stability

Room temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Flow Cytometry
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Reference Range

Decreased Activity: <7 LU30
Normal Activity: 7 - 125 LU30
Increased Activity: >125 LU30
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Performing Laboratory

Quest SJC
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