Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic

PHENOBAR

Methodology

Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry (HPLC-MS/MS)

Performed

Varies

Reported

8-11 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: 0.9 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: 3 months; Refrigerated: 3 months; Frozen: 15 months

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Hotline History

N/A

CPT Codes

80184 x2

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)