Home
HelpTest ID BLOD0604 Vitamin B12
AKA
B12
Cyanocobalamin
Specimen Type/Requirements
Gold top (Serum w/gel) tube - Serum (preferred)
Red top (Serum w/out gel) tube - Serum (preferred)
Light Green top (Lithium Heparin w/gel) tube - Plasma
Thawed samples should not be re-frozen.
Test is affected by hemolysis and gross lipemia.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Stability/Transport
| Room Temperature | 3 days | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | Greater than 7 days |
Performed Test Frequency
Monday through Sunday
Methodology
Sioux Falls – Chemiluminescence
Rapid City – Electrochemiluminescence Immunoassay (ECLIA)
Performing Lab
Sanford Laboratories Sioux Falls
Sanford Laboratories Rapid City
CPT
82607