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

Draw specimens 12 hours after initiating therapy for arrhythmia prophylaxis, then every 24 hours thereafter.

Collect

Plain red. Also acceptable: green (sodium heparin).

Specimen Preparation

Separate serum from cells within 2 hours. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Separator tubes.

Remarks
Stability

After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 month

Methodology

Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

1.2-5.0 µg/mL
Toxic: greater than 9.0 µg/mL

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

80176

Components

Component Test Code* Component Chart Name LOINC
0090155 Lidocaine, Serum/Plasma 3714-3
* 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

  • Xylocaine
Lidocaine