Vitamin B1, Blood

Overview

  • EPIC Code:
  • LAB125
  • Soft Test Code:
  • VIB1B
  • Send Out Test Code:
  • 5042
Alternate Names
  • Thiamine

Specimen Collection & Preparation

Patient Preparation

Overnight fasting preferred


Specimen Requirements:

-OR-

3.0 mL Frozen Whole Blood from a Lavender Top Tube - EDTA placed in Amber Vial
Minimum Volume:
1.1 mL Whole Blood into Amber Vial*

* This volume does not allow for repeat testing

Specimen Information:

Protect from light (PFL) immediately after collection


Processing Instructions:

Pour whole blood into Amber Vial


Rejection Criteria:

Not protected from light


Transport and Storage:
  • Ambient: 8 Hours
  • Refrigerated: 5 Days
  • Frozen (-20 C or colder): 35 Days Frozen

    Preferred

Clinical Interpretation

Reference Range:

Adults: 87 - 280 nmol/L


Methodology:
  • High Performance Liquid Chromatography (HPLC)

Production Schedule

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

3 to 4 days


Coding & Compliance

CDM

01422834


CPT Coding

84425