Test Panels

Vitamin B-12

Overview of Test

Analysis of concentration of Vitamin B12 in human serum through the use of immunoenzymatic assay.

Author

Patrick

Specimen Types

Serum

Test Number

2840

Expected Turn Around Time

24 hours

CPT Codes

82607

Special Instructions

None

Preferred Volume

2 mL

Minimum Volume

1 mL

Collection Container or Device

SST

Collection Instructions Attached

No collection instructions attached

Storage Details/ Stability Requirements

Temperature
Room Temp: (15-30 C)
Refrigeration: (2-8 C)
Time Period
8 hours
24 hours

Transport Requirements

Refrigerated

Causes For Rejection

Grossly Hemolyzed, Frozen in Gel Tube, QNS, Not Centrifuged.

Methodology

The Vitamin B-12 assay is a competitive binding immunoenzymatic assay that uses a number of reactions resulting in chemiluminescence and is measured using a luminometer. The light production is inversely proportional to the concentration of Vitamin B-12 in the sample.

Collection Instructions If Written

Department

Blood

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