4230 Vitamin B12 (Cyanocobalamin)

Specimen Type Specimen Stability Reference Range
Serum 7 Days 2 - 8° C 211-911 pg/mL

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 1.00 mL
Min Vol: 0.50 mL

Method

Immunochemiluminometric

Schedule

Mon-Sat

Turn-Around Time

24hrs; Also offered STAT at an additional charge

Instructions/Notes

Clinical Utility

To help diagnose the cause of anemia or neuropathy (nerve damage); to evaluate nutritional status in some patients; to monitor effectiveness of treatment for B12 or folate deficiency.

CPT Codes

82607

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