25-Hydroxy vitamin D (D2+D3 fractionated), LC/MS-MS

Alphabetical Test listing

25-Hydroxy vitamin D (D2+D3 fractionated), LC/MS-MS-14231

  
25-Hydroxy vitamin D (D2+D3 fractionated), LC/MS-MS
  
14231
  
LAB14231
  
VTDLC
  
  • Total 25-hydroxy vitamin D2
  • 25-hydroxy vitamin D3
  

25-Hydroxy vitamin D is used to measure vitamin D status; it includes results for total 25-hydroxy vitamin D2 and 25-hydroxy vitamin D3.

  
Serum
  

Gold serum separator (SST) tube

  
1.0 mL
  
0.5 mL
Submission of the minimum volume does not allow for repeat testing
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  

Gold serum separator (SST) tube

  
EDTA plasma; Heparin plasma
  

Red serum vial/tube - 5 mL

Lavender (EDTA), 4mL

Dark green heparin

 

 

 

 

  

Red:

  1. Allow sample to clot
  2. Spin within 45 minutes of specimen collection
  3. Transfer the serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Dk green/lavender:

  1. Spin within 45 minutes of specimen collection
  2. Transfer the plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as either EDTA or Heparin plasma
  

Transfer vial/tube with cap - 12mL (LabCorp)

  

Ambient (preferred) - 7 days

Refrigerated - 7 days

Frozen - 34 months

 

 

  
Esoterix Endocrinology (500337) via LabCorp (504115): R-LC
  
Mo - Sa
  
4 - 10 days
  

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

  

Target levels: 30 - 100 ng/mL

  
82306
  
Yes
  

Medical necessity

  
Result 62292-8
  
05/21/2019
  
10/31/2023
  
10/20/2023