Natural Killer Cells

What this laboratory test evaluates

DetailsNatural Killer Cells – Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella.

What type of sample is required for this test?5 mL whole blood collected in an EDTA (lavender-top) tube

Test ResourcesFor more information, please consult your healthcare provider.

Additional test information

Natural Killer Cells – Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella.

Collection and processing

• Sample type: Whole blood
• Fasting: No
• Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.