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Performing Laboratory
Helen Keller Laboratory
Specimen Container:
Green Lithium Heparin Tube
Specimen Requirements
Preferred: Lithium heparin plasma
Acceptable: Serum
Minimum volume: 1 mL (pediatric: 0.2 mL) of plasma or serum.
Specimen Stability Information
3 days refrigerated
Reference Intervals:
5 – 40 U/L
Day(s) Testing is Performed
Monday through Sunday
CPT Coding:
84450