Test Overview
Test Methodology

Immunophenotyping

Test Usage

To quantify Natural Killer (NK) cells in support of diagnosing a proliferative and/or neoplastic disorder.

Reference Range *

Interpretive report provided

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

Test Limitations

Diagnosis of a Natural Killer (NK) cell neoplasm and/ or proliferative disorder should only be made in clinical context including patient information and ancillary laboratory studies.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 5 days

Soft Order Code
MLCMS
Laboratory
Sendout
Reference Laboratory
Mayo
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood or bone marrow in yellow top tube, send original specimen- do not aliquot. If possible also include 5-10 unstained blood/bone marrow smears labeled with 2 identifiers. Specimen must be received by Mayo within 4 days of collection. Send blood or bone marrow ambient, CSF or fluids- refrigerated to Specimen Processing.

Special Handling

Do not aliquot blood or bone marrow, send in original tube

Normal Volume
Blood: 6 mL; Bone marrow: 1-5 mL; CSF: 1-1.5 mL; Fluid: 20 mL
Minimum Volume
Blood: 3 mL; Bone marrow: 0.5 mL; CSF: 1 mL; Fluid: 5 mL
Storage Temperature
Blood/bone marrow ambient; CSF or fluid refrigerated
Additional Information

Test performed by Mayo Clinic Laboratories

Billing
CPT Code
88184-Flow cytometry; first cell surface, cytoplasmic or nuclear marker x 1 88185-Flow cytometry; additional cell surface, cytoplasmic or nuclear marker (each) 88187-Flow Cytometry Interpretation, 2 to 8 Markers (if appropriate) 88188-Flow Cytometry In