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Doxepin-961

Test info

Test name:

Doxepin

Test number:

961

Excellian order number:

LAB961

Abbreviation:

DOX

Alternate names:

Adapin
Doxepin & desmethydoxepin
Sinequan

Useful for:

Therapeutic drug management

Specimen

Specimen type:

Serum

Collection container:

Red serum vial/tube - 5 mL

Volume:

2.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Trough levels are most reproducible

Processing instructions:

Allow sample to clot
Spin
Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum, within two (2) hours of sample collection

Transport container:

Serum/plasma transfer vial/tube (MedTox)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 5 - 10 times, to prevent clotting

Alternate processing instructions:

Spin
Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as the appropriate plasma type, within two (2) hours of sample collection

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Performance

Performing lab:

MedTox Laboratories (45): R-MX

Days set up:

We, Sa

TAT:

3 - 4 days

Method:

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Clinical and Interpretive info

Reference ranges:

50 - 150 ng/mL

Results that require action (critical):

>1,000 ng/mL

Billing

CPT codes:

G0480

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Tracking

Date created:

11/30/2001

Revised date:

12/20/2021

Review date:

01/12/2022