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0090230
Phenobarbital
PHNO
Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Plain red. Also acceptable: Green (sodium heparin).
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP standard transport tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Separator tubes or gels, lavender (EDTA), or gray (sodium fluoride/potassium oxalate). Hemolyzed specimens.
Remarks
Stability
After separation from cells: Ambient: 2 days; Refrigerated: 6 months; Frozen: 6 months
Methodology
Enzyme Multiplied Immunoassay Technique (EMIT)
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
0-2 months: 15.0-30.0 µg/mL
Toxic: 40.1 µg/mL or greater
3 months and older: 15.0-40.0 µg/mL
Toxic: 50.1 µg/mL or greater
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
80184
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0090230 | Phenobarbital | 3948-7 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Luminal
Phenobarbital
