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HelpTest Code LAB67 Vitamin B12
Specimen Requirement
1.0 mL Serum; SST acceptable
Specimen Stability
3 days at 20-25° C
7 days at 2 – 8° C
Freeze if greater than 7 days
Testing Schedule
Daily
Reference Range
213 – 816 pg/mL
Testing Department
Chemistry/Urinalysis
Method
Microparticle Enzyme Immunoassay (MEIA)
Additional Testing Locations
This test is also performed daily at the following Altru Clinic:
- Devils Lake
Please contact appropriate lab location for specific test information, as methodology varies by site.
CPT Code
82607
Outpatient Turnaround Time
24 hours after receipt
Inpatient STAT Turnaround Time
Not Applicable
Inpatient Routine Turnaround Time
4 hours after receipt