TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: PLP    
Pyridoxal 5-Phosphate (PLP), Plasma

Specimen Type Describes the specimen type validated for testing

Plasma Heparin

Shipping Instructions

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Patient Preparation:

1. Fasting-overnight (12-14 hours) (infants-draw prior to next feeding).

2. Patient must not ingest vitamin supplements for 24 hours before the specimen is drawn.

Supplies: Amber Frosted Tube, 5 mL (T192)

Collection Container/Tube: Green top (sodium or lithium heparin) or plasma gel separator tube (PST)

Submission Container/Tube: Amber vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge at 4 degrees C within 2 hours of collection, then aliquot all plasma into amber vial.

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Plasma HeparinRefrigerated (preferred)7 daysLIGHT PROTECTED
 Frozen 14 daysLIGHT PROTECTED