Phenobarbital

0090230
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Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic

PHNO

Methodology

Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH 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

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

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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