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HelpTest Code LAB67 Vitamin B12
Performing Lab
Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital
Ordering Recommendations
Investigation of macrocytic anemia.
Workup of deficiencies seen in megaloblastic anemias.
Collect
Heparinized Plasma or Serum
Collection Device
Green or Gold Top Tube, Red Top Tube
Specimen Handling
Samples without gel barriers: Centrifuge and pour off to a storage tube within 2 hours of collection.
Stability (from collection to initiation)
|
Room Temp |
8 Hours |
| Refrigerated | 24 Hours |
| Frozen | Undetermined |
Storage/Transport Temperature
Room Temp, Refrigerated
Specimen Volume
5 mL
Minimum Requirements
0.5 mL
Remarks
TURN AROUND TIME
|
STAT |
1 Hour |
| Routine | 8 Hours |
Methodology
Immunoenzymatic
Start Date
9/13/2017
Last Review Date
7/3/25 AP