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

Send 1.0 mL serum collected in a serum separator tube (SST), gently invert tube 5 times immediately after draw. DO NOT SHAKE. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. PROTECT FROM LIGHT.

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Specimen not protected from light, Red top

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
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New York DOH Approval Status

Yes
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