Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  


Sunquest Test Code:
VITAB1      Geisinger Epic Procedure Code: 84425.01         Geisinger Epic ID: 41194

Specimen type:
Plasma (preferred) or serum.
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
3 mL lavender-top (K2 EDTA) tube
Specimen required:
2 mL aliquot of plasma (preferred - two 2 mL tubes or one 6 mL tube) or serum; minimum 1 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.
Special notes:
Serum separator tubes are NOT acceptable. Wrap tube in aluminum foil to protect from light.
Patient preparation:
Overnight fasting is preferred. 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 processing instructions:
Centrifuge and aliquot within 4 hours of collection. Centrifuge 10 minutes at 3000 rpm. Freeze plasma or serum specimens immediately after separating from cells. 
Transport temperature:
Protected from light; frozen.
Specimen stability:
Room Temperature: 8 hours. Refrigerated: 48 hours. Frozen: 1 month.
Rejection criteria:
Samples not received frozen and not protected from light. Specimens collected in serum separator tubes, lipemic and hemolyzed specimens will also be rejected

Reference interval:
Adults 8-30 nmol/L.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Vitamin B1.
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Quest test code 90353

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Tuesday-Saturday, report available 3 days    
Performed stat? No
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