Lidocaine
Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
New York DOH Approval Status
Specimen Required
Draw specimens 12 hours after initiating therapy for arrhythmia prophylaxis, then every 24 hours thereafter.
Plain red. Also acceptable: green (sodium heparin).
Separate serum from cells within 2 hours. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Refrigerated.
Separator tubes.
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
FDA
Note
Hotline History
CPT Codes
80176
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0090155 | Lidocaine, Serum/Plasma | 3714-3 |
Aliases
- Xylocaine