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HelpTest Code LAB475 Lamotrigine, Serum
Additional Codes
46059
Reporting Title
Lamotrigine, Serum
Methodology
Roche Diagnostics cobas 8000 Enzyme Immunoassay
Useful For:
Monitoring serum concentration of lamotrigine
Assessing compliance
Adjusting lamotrigine dose in patients receiving other anticonvulsant drugs which interact pharmacokinetically with lamotrigine
Performing Laboratory
OhioHealth Laboratory Services- RMH Special Testing
Specimen Transport Temperature
Ambient NO/Refrigerate/Frozen
Reference Values
3.0-15.0 mcg/mL
Day(s) Test Set Up
Monday through Friday Continuous
Saturday and Sunday Day shift only
Test Classification and CPT Coding
80175
Specimen Required
Specimen Requirements
Collection Instructions:
1. Draw blood immediately before next scheduled dose.
2. For sustained-release formulations ONLY, draw blood a minimum of 12 hours after last dose.
3. Spin down within 2 hours of draw.
Serum Only:
Draw blood in a red-top tube. Gel Tube is unacceptable
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Ambient | ||
| Frozen | 28 days |