Vitamin B12

Overview

  • EPIC Code:
  • LAB67
  • Soft Test Code:
  • B12
Alternate Names
  • B-12
  • Cobalamin
  • VB12
  • Vit B12

Specimen Collection & Preparation

Patient Preparation

12 hours Fasting is recommended, but not required


Specimen Requirements:

-OR-

1.0 mL Serum in a SST Gold Top Tube Placed in an Amber Transport Bag
Minimum Volume:
0.2 mL Serum*

* This volume does not allow for repeat testing

Collection Instructions:

 Protect from Light by placing in an Amber bag immediately after collection

 


Transport and Storage:
  • Ambient (18-24°C): 2 Hours
  • Refrigerated (2-8°C): 48 Hours

    Transport refrigerated

  • Frozen (-20° C or colder): 56 Days

Clinical Interpretation

Reference Range:

200 - 900 pg/mL


Methodology:
  • Chemiluminescence (CL)

Production Schedule

Sites Performed
  • Parkview Regional Medical Center
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same Day/1 to 2 days


Coding & Compliance

CDM

01420053


CPT Coding

82607