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| Test Name: | Vitamin B12 |
|---|---|
| Test Code: | 9000 |
| Other Names: | Vitamin B12, B12 |
| Test Includes: | Vitamin B12 |
| Specimen Requirements: | Serum(preferred) or Plasma (lithium heparin) |
| Container: | N/A |
| Collection Instructions: | Separate serum or plasma from cells within 45 minutes of collection. If green-top tube is used, transfer separated plasma to a plastic transfer tube. |
| Stability: | Separated Samples are stable at Room temperature 3 days, Refrigerated 7 days, frozen 3 months |
| Rejection Criteria / Special Instructions: | Use of anticoagulants containing citrate,fluoride, EDTA,Oxalate and Sodium Heparin. Moderate to Gross hemolysis; excessive lipemia; improper labeling |
| Methodology: | Chemiluminescent Microplate Immunoassay (CMIA) |