4230 Vitamin B12 (Cyanocobalamin)

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

Specimen Requirements

Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum

Method

Immunochemiluminometric

Schedule

Mon-Sat

Turn-Around Time

24hrs; Also offered STAT at an additional charge

Instructions/Notes

Centrifuge required?: Yes

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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