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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