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HelpTest Code 2204 Phenobarbital (PHNO)
Additional Codes
| COPIA Test Code | EPIC Test Codes | |
|---|---|---|
| Phenobarbital | LAB0201046 | PHENOBARBITAL |
Reporting Title
Phenobarbital
Methodology
Competitive Binding Assay
Performing Laboratory
Rice Memorial Hospital
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube:
Plasma: Lithium heparin, sodium heparin, potassium EDTA, sodium EDTA, or potassium oxalate
Serum: Clot, plain or activator
Specimen Volume: 0.5 mL
Specimen Minimum Volume: 0.2 mL
Collection Instructions: Preferred sample time for monitoring is before the next dose (trough).
Specimen Transport Temperature
Refrigerated (preferred) up to 6 months/Frozen up to 6 months/Ambient up to 7 days
Reference Values
20.0-40.0 mcg/mL
Critical Value: ≥ 55 mcg/mL
Day(s) Test Set Up
Monday through Sunday
CPT Coding
80184