Phenobarbital (Luminal), Serum
Test Code: 007823
Performing Lab: LabCorp
CPT Code: 80184 001
Synonym
Luminal(R); Phenobarbital Level, Blood
Specimen Type
Serum OR plasma
Specimen Container
Red-top tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Volume
1 mL
Minimum Volume
0.3 mL
Specimen Handling
Transfer separated serum or plasma to a plastic transport tube. Peak: 4 to 12 hours after dose; trough: immediately prior to next dose.
Unacceptable Conditions
Gel-barrier tube; hemolysis; severe lipemia; icteric specimen
Temperature
Room Temperature
Methodology
Immunoassay
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 007828 | Phenobarbital, Serum | 3948-7 |
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