Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

TRAZODONE LEVEL

General Information

Lab Order Codes:

TRAZ

Synonyms:

DesyrelŪ; Trazadone

CPT Codes:

80299 – Quantitation of drug, not elsewhere specified

Test Includes:

Trazodone concentration in ng/mL.

Logistics

Test Indications:

Useful for therapeutic drug monitoring, monitoring patient compliance.

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

Mayo Medical Laboratories (Test: TRZ/9624)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

2 – 9 days, test set-up Wednesdays

Special Instructions:

See Patient Preparation

Specimen

Specimen Type:

Blood

Container:

Red top tube

Draw Volume:

9 mL (Minimum: 3.3 mL) blood

Processed Volume:

3 mL (Minimum: 1.1 mL) serum

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum aliquot into a screw-capped round bottom plastic vial. Store and ship at frozen temperatures. Forward promptly.

Patient Preparation:

Allow 12 hours after last dose following a minimum of 5 days on Trazodone.

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

500 – 1100 ng/mL

Critical Values:

N/A

Limitations:

N/A

Methodology:

High Performance Liquid Chromatography (HPLC)

References:

Mayo Medical Laboratories Web Page September 2012

Updates:

3/11/04: Test moved from MedTox Laboratories to Mayo Medical Laboratories.



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