Ropivacaine, Serum/Plasma
Use
The Ropivacaine test measures levels of Ropivacaine in serum or plasma to monitor therapeutic dosage and ensure patient safety. This test is crucial for patients undergoing epidural or intravenous administration of Ropivacaine to manage pain. Accurate measurement assists in dosage optimization and avoids toxicity, thus ensuring effective pain management. It is especially significant in clinical settings to adjust doses based on individual pharmacokinetics and pharmacodynamics.
Special Instructions
Specimens must be submitted separately per order and cannot be shared between multiple orders. The test is performed continuously from Monday through Sunday, and results are typically available within 6 to 10 days of sample receipt at the laboratory.
Limitations
The test has not been cleared or approved by the U.S. Food and Drug Administration, which may impact its acceptance in certain regulatory environments. Additionally, the variety of specimen types can result in varying stability conditions, which might affect results. Thawing of specimens is acceptable in both warm and cold conditions, but use of polymer gel separation tubes may lead to test rejection. There's a dependency on the proper collection and handling of specimens to ensure accurate results.
Methodology
Mass Spectrometry (LC-MS/MS)
Biomarkers
LOINC Codes
- 51203-8
- 51203-8
- 19147-8
Result Turnaround Time
6-10 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.4 mL
Container
plastic vial
Collection Instructions
Draw blood in a plain, red-top tube(s). Spin down and send 1 mL serum refrigerate in a plastic vial.
Causes for Rejection
Polymer gel separation tube (SST or PST) is not acceptable.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 30 days |
| Refrigerated | 30 days |
| Frozen | 90 days |
