Neurokinin A (Substance K) : 1003572

Message
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Test Code
NEUROK or 1003572

CPT Codes
83519

Instructions
Patient should not be on any medications that may affect hypertenison, gastrointestinal functions, or pain relievers, if possible, for at least 48 hours prior to collection of specimen.

Z preservative tube. Contact Client Services for supply #40874.

Transport Container
Centrifuge Z preservative tube within 10 minutes of draw and aliquot 4 mL plasma into a standard transport tube and freeze immediately. (Min: 1 mL)

Transport Temperature
Frozen.

Specimen Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Thawed specimens. Specimens not collected in Z preservative tube.

Methodology
Radioimmunoassay

Setup Schedule
Varies

Report Available
10-13 days (From receipt at performing laboratory)

Reference Range
Up to 40 pg/mL

Performing Laboratory
Interscience



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.