Natural Killer (NK) Cytotoxicity Profile

Test Name

Natural Killer (NK) Cytotoxicity Profile

Alternate Description

NK Cytotoxicity Profile

LIS Code

NKCP

Lab Section

Specimen Processing Area

Fluid Type

Whole Blood

Specimen Tube Type Transport

1 green (Na Heparin) and 1 lavender (EDTA) top tubes for patient and 1 green (Na heparin) top tube for Normal (healthy) control blood

Container Whole Blood Required

10 mL green (Na Heparin) and 3 mL lavender (EDTA) top tubes for patient and 10 mL green (Na heparin) top tube for Normal (healthy) control blood

Summary Test Name

Natural Killer (NK) Cytotoxicity Profile

Special Handling Instructions

Specimens must arrive within 24 hours of draw and must arrive in the testing laboratory weekdays by 2 p.m.. Ship specimens overnight in an Ambient Mailer-Critical Specimens Only   The MML Expedite procedure is recommended to ensure specimens are processed as quickly as possible once received at Mayo Medical Laboratories. Contact 800-533-1710 to add this procedure to your order

Additional Test Information

Collect specimen NO EARLIER than 14:00 SPECIMEN REQUIREMENT: Three separate specimens (a whole blood EDTA specimen, a whole blood Na Heparin specimen, and a control Na heparin specimen) are required. PATIENT SPECIMEN: 10 mL green top (Na Heparin) tube, whole blood. DO NOT ALIQUOT. Label specimen as blood for "NKC/Natural Killer Cytotoxicity." 3 mL lavender to (EDTA) tube, whole blood. DO NOT ALIQUOT. Label specimen as blood for "TBBS/T- and B-Cell Quantitation by Flow Cytometry." NORMAL CONTROL: 10 mL green top (Na Heparin) tube, whole blood. Draw from a normal (healthy), unrelated person at the same time as the patient. DO NOT ALIQUOT. Label clearly as Normal Control. Rubber band with patient specimen.