Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
PHENOBAR
Methodology

Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

Performed

Varies

Reported

7-10 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plain Red, Lavender (K2EDTA), or Pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.91 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions

Separator tubes.

Remarks
Stability

Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 weeks

Reference Interval

By report

Interpretive Data



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

80184

Components
Component Test Code* Component Chart Name LOINC
0091548 Phenobarbital, Total, Serum or Plasma 3948-7
0091550 Phenobarbital Bound, Serum or Plasma
3001473 Phenobarbital, Unbound, Serum/Plasma 3951-1
* 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, Total/Unbound/Bound, S/P

National Medical Services (NMS)