Inter Science Institute

Patient Portal

Inter Science Institute (ISI’s) PRESERVATIVE TUBES

The following tests require specific preservatives for valid assay of specimens:

 

Z-tubeTM*

z-collection TUBES

5-HIAA, Plasma (5-Hydroxyindoleacetic acid)

Neurokinin A (NKA)

Neuropeptide Y (NPY)

Neurotensin

Pancreastatin

Substance P

 

ISI’s G.I. Preservative *

ISI’s G.I. Preservative

Cholecystokinin (CCK)

Ghrelin, Total

Peptide YY (PYY)

Secretin

Somatostatin P

VIP

 

TRH Preservative *

TRH Preservative

Thyrotropin Releasing Hormone (TRH)

 

 

Frequently Asked Questions

Click here for Dr. Liu's Z-tubeTM questions and answers from his 2017 Cyber Meeting.

 

PRICING

*Preservative tubes are available for $30.00 per tube.

 

SUPPLIES

Order supplies via email: requests@InterScienceInstitute.com or via phone (310) 677-3322.

 

 

 

 
e-mail: requests@InterScienceInstitute.com
Inter Science Institute - 944 West Hyde Park Blvd, Inglewood, CA 90302
Contact Us: Phone 800-255-2873 | 310-677-3322 | Fax: 310-677-2846