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HelpTest ID FROPI Ropivacaine, Serum/Plasma
Specimen Required
***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***
Submit only 1 of the following specimens:
Serum
Draw blood in a plain, red-top tube(s). (Serum gel tube is not acceptable.) Spin down and send 1 mL serum refrigerate in a plastic vial.
Plasma
Draw blood in a lavender-top (EDTA) or pink top tube(s). (Plasma gel tube is not acceptable.) Spin down and send 1 mL plasma refrigerate in plastic vial.
Method Name
High Performance Liquid Chromatography/ Tandem Mass Spectrometry LC-MS/MS
Reporting Name
RopivacaineSpecimen Type
VariesSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 30 days | |
| Frozen | 90 days | ||
| Ambient | 30 days |
Reference Values
Reporting limit determined each analysis.
Following epidural administration 10 mg/hr, 20 mg/hr and 30 mg/hr, mean plasma concentration of 0.39, 0.88, 1.19 mcg/mL at 21 hours respectively.
Bolus I.V. administration 84 mg/70 kg and 131 mg/70 kg, peak plasma concentrations of 1.1 and 1.7 mcg/mL at 2 minutes respectively.
Day(s) Performed
Monday through Sunday
Report Available
6 to 10 daysPerforming Laboratory
NMS LabsTest Classification
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80299