Vitamin B3

Alphabetical Test listing

Vitamin B3-994

  
Vitamin B3
  
994
  
LAB994
  
MSO
  
Niacin
Nicotinamide
Nicotinin acid
  

Measurement of vitamin B3 level as nicotinic acid and nicotinamide

  
Serum
  
  
1.0 mL
  
0.5 mL
  
  1. Allow sample to clot
  2. Spin
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum, within two (2) hours of sample collection
  4. Freeze
  
EDTA plasma
  
  

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times, to prevent clotting

  
  1. Spin
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as EDTA plasma, within two (2) hours of sample collection
  3. Freeze
  

Frozen (strict) - 14 days

  
  • Gel-barrier tube
  • Specimen not frozen
  
LabCorp Burlington (070115): R-NX
  
Mo - Fr
  
4 - 6 days
  

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

  

Nicotinic acid: 0.0 − 5.0  ng/mL
Nicotinamide: 5.2 − 72.1 ng/mL

  
84591
  
Result 56961-6
  
05/22/2019
  
05/22/2019