Test Details

Mnemonic

COEZQ

Ordering Code

3711260

CPT-4 Code(s)

82542

Specimen Information

Patient Preparation

Fasting is not required. Patients should not take Coenzyme Q10 supplements the morning of the test. They may take other nutritional supplements prior to testing.

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate and send 1.0 mL serum refrigerated in an amber screw capped plastic vial. PROTECT FROM LIGHT.

Alternate Specimen

Serum: Red top

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Specimen not light protected

Stability

Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 6 weeks

Methodology

Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

>0.35 ug/mL
Optimal relative risk >0.35
High relative risk <0.36
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Performing Laboratory

Quest SJC
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