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HelpTest Code B12 Vitamin B12
Performing Laboratory
Helen Keller Laboratory
Specimen Container:
Green top Lithium Heparin
Specimen Requirements
Preferred: Lithium Heparin plasma
Acceptable: Serum
Minimum volume: 1 mL (pediatric: 0.2 mL) plasma or serum
Specimen Stability Information
2 days refrigerated
Reference Intervals:
210 – 950 PG/ML
Day(s) Testing is Performed
Monday through Sunday
CPT Coding:
82607