Vitamin B12

Test Code: TD_CH113
CPT Code(s): 82607

$21

Test Details

Alternative Name(s)

B-12

Test Includes

Vitamin B12

Methodology

Abbott Alinity chemiluminescent microparticle immunoassay (CMIA)

Rejection Criteria

Gross hemolysis

Reference Range(s)

200-950 pg/mL

Specimen Requirements

Preferred Specimen

Serum separator tube

Minimum Volume

0.50 mL serum

Sample Stability

3 days room temp
7 days refrigerated

Transport Temperature

Refrigerated

Collection Instructions

Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Refrigerate.

Alternative Specimen

0.50 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.