ARUP's Laboratory Test Directory
| 0070260: Vitamin B12 Binding Capacity |
| Test Mnemonic: B12B | |
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#ExistMethodology>
Methodology: Radioimmunoassay
*ExistMethodology> #ExistPerformed> Performed: Mon, Thu *ExistPerformed> #ExistReported> Reported: 1-5 days *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: One 4 mL SST.
*ExistCollect> #ExistTransport> Transport: 1 mL serum at 2-8°C. (Min: 0.1 mL) Submit specimen in an ARUP Amber Transport Tube. *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: 0.1 mL serum at 2-8°C. *ExistPedCollectTransport> #ExistRemarks> Remarks: Protect from light during collection, storage, and shipment. *ExistRemarks> #ExistStability> Stability: After separation from cells: Ambient: 2 hours; Refrigerated: 4 days; Frozen: 1 week *ExistStability> |
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| Reference Interval: |
| #ExistRefRange> 800-2600 pg/mL *ExistRefRange> |
| Interpretive Data: | |
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#ExistInterpData>
This assay measures the unsaturated binding capacity of serum for vitamin B12.
*ExistInterpData> |
| CPT Code(s): | |
| 82608 |