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17089: Neurokinin A (Substance K) Print View
Neurokinin A (Substance K)   < 41  pg/mL 

PRIMARY
1 PLAV in Z-Tube(GI Preser) 3 (1) mL   Frozen - 30 Day(s)  
ALTERNATE

Neurokinin A is a ten amino acid putative transmitter synthesized in the neurons it is present in. Neurokinin A is a member of the family called Tachykinins which also include Neurokinin B, Substance P, Physalaemin, and Eledoisin. Neurokinin A shares 6 of 10 peptide homologies with Neurokinin B even though they are produced by different genes. Neurokinin A is also very similar in structure to Substance P and produces some of the same biological actions as Substance P. Neurokinin A is a potent bronchoconstrictor. In the gut, Neurokinin A is produced by the intrinsic enteric nervous system.

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

Collect 10 mL blood directly into Z-tube(TM) preservative and
separate as soon as possible. Freeze plasma immediately after
separation. Special Z-tube(TM) is available from Inter Science
Institute (ISI).
Setup Schedule
Monday-Friday

Reported (Analytical Time)
5 days

CPT Code
83519

The CPT codes provided 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 payer being billed.

Notes
**This test is not available for New York patient testing** Reject Criteria: Received rooom temperature; received refrigerated; not collected in a Z-tube(TM) Transport Temperature: Frozen Methodology: Direct Radioimmunoassay Specimen Requirements: Preferred: 3 mL (1 mL minimum) frozen plasma collected in a 10 mL special Z-tube(TM) (G.I. preservative) tube Acceptable: For tumor/tissue and various fluids (i.e. CSF, peritoneal, synovial, etc.) contact Inter Science for requirements and special handling.






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