Test Code LAB4225 VITAMIN B12
Specimen Type
Preferred Sample: Lithium Heparin Plasma (Green/Mint Top)
Alternative Sample: Serum (SST, Gold, Tiger, Red Top TNO GEl)
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Room Temp: 3 days
Refrigerated: 7 days
Method
immunoassay
Reference Ranges
B12, pg/mL
Adult: 213 - 816 pg/mL
Reporting limits
Measuring and reporting ranges: 148-2000 pg/mL
Synonyms
B-12, VB12, COBALAMIN, B12, LAB4225
CPT Codes
82607