holotranscobalamin
10 days
ECLIA
Accredited Laboratory Partner
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Measures the biologically active form of vitamin B12. Useful for early detection of B12 deficiency.
Serum
1 mL
Red top tube or Gel barrier tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 2 days |
| Frozen | 90 days |