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HelpTest Code PHB PHENOBARBITAL
Performing Laboratory
Helen Keller Laboratory
Specimen Container:
Red Top tube, or Green top lithium heparin tube
Specimen Requirements
Preferred: Serum
Acceptable: Lithium heparin plasma
Minimum volume:1 mL (pediatric: 0.2 mL) of serum or plasma
Specimen Stability Information
3 days refrigerated
Reference Intervals:
15 – 40 UG/DL
Day(s) Testing is Performed
Monday-Sunday
CPT Coding:
80184