Vitamin B1, Plasma

Overview

  • EPIC Code:
  • LAB2513
  • Soft Test Code:
  • VITB1
  • Send Out Test Code:
  • 90353
Alternate Names
  • Thiamine

Specimen Collection & Preparation

Patient Preparation

Overnight Fasting
Patient is to be restricted from alcohol, coffee, tea, raw fish, liver, pork, sausage and vitamins for at least 24 hours before sample collection


Specimen Requirements

3.0 mL Frozen Plasma from a Lavender Top Tube (EDTA) in a Amber Vial


Transport And Storage

1 month Frozen

Avoid Thaw/Freeze Cycles


Collection Instructions

Separate cells by centrifugation at 2-8° C for 8-10 minutes; Centrifuge and remove from cells within 4 hours of collection. 

Protect from Light by placing in a Amber vial
Freeze immediately


Minimum Volume

1.0 mL Plasma


Neonatal Volume

Clinical Interpretation

Reference Range:

Adults: 8-30 nmol/L


Methodology:
  • Liquid Chromatography / Tandem Mass Spectrometry (LC-MS/MS)

Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

5 to 8 days


Coding & Compliance

CDM

01422835


CPT Coding

84425