Test performed at:

Doxepin (DesmethyDoxepin, nordoxepin, Sinequan)
Test Name Doxepin (DesmethyDoxepin, nordoxepin, Sinequan)
Specimen Type/Requirements Container Type = 1 Red Top Minimum Testing Volume = 3 mL Blood Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Serum collected in red top without gel separator. Submit trough specimen collected 1 h prior to the next dose or at least 12 h after the last dose. Assay includes Nordoxepin Write your initials, date and time of collection on the collection label or requisition. Laboratory Staff Instructions: Separate samples from cells as soon as possible. Repeated freezing and thawing of samples should be avoided. Rejection Criteria: Unlabeled or samples of non sufficient quantity. Stability: Separated from cells stable for 5 days at room temperature, refrigerated 2 weeks, frozen 6 months. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 7 days (batched)	Test Utilization
Reference Value Combined Metabolite: 50 -150 ng/mL *Toxic: > 300 ng/mL*
Test Code DOXE	Methodology LCMS/MS
Testing Location SMH-Biochemistry	Other Information Last Updated: November 03, 2022

Doxepin (DesmethyDoxepin, nordoxepin, Sinequan)

Test Name

Doxepin (DesmethyDoxepin, nordoxepin, Sinequan)

Specimen Type/Requirements

Container Type = 1 Red Top

Minimum Testing Volume = 3 mL Blood

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum collected in red top without gel separator. Submit trough specimen collected 1 h prior to the next dose or at least 12 h after the last dose. Assay includes Nordoxepin Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate samples from cells as soon as possible. Repeated freezing and thawing of samples should be avoided.

Rejection Criteria: Unlabeled or samples of non sufficient quantity.

Stability: Separated from cells stable for 5 days at room temperature, refrigerated 2 weeks, frozen 6 months.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

7 days (batched)

Test Utilization

Reference Value

Combined Metabolite: 50 -150 ng/mL

Toxic: > 300 ng/mL

Test Code

DOXE

Methodology

LCMS/MS

Testing Location

SMH-Biochemistry

Other Information

Last Updated: November 03, 2022