Test Overview

Test Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Test Usage

Useful for monitoring compliance and assessing toxicity in overdose situations.

Reference Range*

ADULT: Therapeutic: 50 - 300 ng/mL; Toxic: > 750 ng/mL. CHILD (0 - 11 yrs): Therapeutic: 30 - 80 ng/mL; Toxic > 200 ng/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Wednesday, Saturday

Analytic Time

3 days

Soft Order Code

SO

Synonyms

Synonyms

CHLORPROMAZINE LEVEL
Thorazine
CHLORP
CHLORPROMAZINE

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Laboratory

Sendout

Laboratory Reference

Warde CHLPR (ARUP 0090870)

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Specimen Requirements

Offsite Collection Instructions

Collect blood in a red top tube; do not use SST tube. Centrifuge, aliquot serum into plastic vial within 2 hours of collection, and refrigerate.

Rejection Criteria

SST tube not acceptable.

Container

Yellow Top Tube
Red Top Tube

Normal Volume

2 mL serum

Minimum Volume

1 mL serum

Additional Information

Test sent to Warde Medical Laboratory; performed by ARUP Laboratories.

Billing Information

Fee Codes


CPT Code

80342

LOINC

3471-0

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