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Click on the first letter of test name, or select test group, to review specifications:

 

B12

Alternate Names: Vitamin B12, B-12, VB 12
Performed: Daily, 24 Hours
Methodology: Competitive Immunoassay using Direct Chemiluminescent technology
Turnaround Time: 4 Hours

Container / Specimen Requirements

 
    Container / Tube: Yellow serum separator Vacutainer® tube or Red Vacutainer® tube  
    Minimum Volume: 1 ml
Special Handling or Timing of Specimen: Excessive exposure to light may alter B12 values.
Test performed at NHRMC only.
Preparation of Patient: None
Reference Range: Normal: 211 - 911 pg/ml
Deficient: 32 - 246 pg/ml
Causes for Specimen Rejection:  Improper labeling
CareManager Test Group:
CareManager Name/Alias:
LAB
B-12 (NHRMC), B12 (CF)
Specimen Labeling: Click here for policy

 

 
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