Trazodone

Last Modified: 6/14/2019 2:52:34 PM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements:

2.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions: Do not collect in a Serum Separator Tube (SST or PST)

Centrifuge and separate from cells immediately
Minimum Volume: 1.2 mL
Transport & Storage: Temperature/Stability:

14 days Ambient
14 days Refrigerated
12 months Frozen
Reference Range: 800 - 1600 mcg/L
Critical Ranges:  
Test Comments:  
Methodology: LC / MS / MS
Clinical Significance: For therapeutic drug monitoring of antidepressant therapy. Peak plasma levels occur approximately 1 hour after dosing when Trazodone is taken on an empty stomach or 2 hours after dosing when taken with food. Elimination of Trazodone is biphasic, consisting of an initial phase (half-life 3-6 hours) followed by a slower phase (half-life 5-9 hours).
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 6 to 10 days
Days Performed: Tuesday, Thursday
Sites Performed: Quest - Valencia
PHL Test Code: TRAZO
EPIC Test Code: LAB2511
Send Out Test Code: 1312
Alternate Test Names: Desyrel
Included Tests:  
CPT Coding: 80338 (Medicare - G0480)

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