Home
HelpTest Code DOXEP / 007609-LC DOXEPIN, PLASMA OR SERUM
Additional Codes
| Software | Test Code |
|---|---|
| SoftID | DOXEP |
| EPIC | LAB10230 |
| LabCorp | 007609 |
Performing Laboratory
Laboratory Corporation of America (LabCorp)
Useful For
Evaluating toxicity and monitoring therapeutic levels
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MC/MS)
Reference Values
Therapeutic: Doxepin + nordoxepin: 50-100 ng/mL
Potentially toxic: >500 ng/mL
Days and Times Test Performed
Tuesday through Friday
Report Available
3-5 Days
Analytic time for send out tests is the time it will take to perform testing once it has arrived at the performing reference lab. Please add 1 to 2 days from time of collection to allow for receipt at NorDx central lab and shipment of specimen, add another day if specimen is collected on the day before a weekend or holiday.
Specimen Type
Serum
Preferred Container
Red Top Tube – Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Preferred Volume
Serum: 1 mL (Red Top Tube)
Minimum Volume
Serum: 0.3 mL (Red Top Tube)
Specimen Collection and Handling
Spin specimen, separate from clot and send at ambient temperature.
Specimen Stability Information
Specimen Type: Serum
Frozen: 14 Days
Refrigerated: 14 Days
Room Temp: 14 Days
Note: Stable x3 freeze/thaw cycles
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 80335 | Antidepressants, Tricyclic and Other Cyclicals, 1 or 2, (Definitive) | if Indicated |
| G0480 | Drug Test (Definitive), 1-7 Classes | Government Payers, if Applicable |
| G0481 | Drug Test (Definitive), 8-14 Classes | Government Payers, if Applicable |
| G0482 | Drug Test (Definitive), 15-21 Classes | Government Payers, if Applicable |
| G0483 | Drug Test (Definitive), 22+ Classes | Government Payers, if Applicable |
Keywords
ADAPIN®
DESMETHYLDOXEPIN
DOXEPIN (SINEQUAN®)
SINEQUAN® (DOXEPIN)
Performing Laboratory Location
Laboratory Corporation of America (LabCorp)
Rejection Information
Collection in a gel barrier tube (SST/PST)
Acceptable Alternative Container(s)
Dark Green Top Tube (Lithium Heparin) – Heparinized Plasma
Lavender Top Tube (EDTA) – EDTA Plasma