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Neurokinin A (Substance K), Plasma
3000221
Ordering Recommendation

Assist in prognosis of patients with midgut neuroendocrine tumors.

Mnemonic
NEURO A
Methodology
Quantitative Radioimmunoassay
Performed
Varies
Reported
5-9 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Pain medication, medications that affect hypertension or intestinal motility should be discontinued, if possible, at least 48 hours prior to collection. 
Collect
GI preservative tube (ARUP supply #47531) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. 
Specimen Preparation
Separate from cells within 10 minutes. Transfer 4 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 mL) 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Specimens not collected in a GI preservative tube. Thawed specimens. 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months 
Reference Interval
By Report
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
3000222Neurokinin A (Substance K), Plasma
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases

Performed at Interscience