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 the sample for 10 minutes and transfer the serum to an amber tube. The sample must be protected from direct 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
Refrigerated: 14 days
Frozen: 6 weeks
Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
>0.35 ug/mL
Optimal relative risk >0.35
High relative risk <0.36
Optimal relative risk >0.35
High relative risk <0.36
Performing Laboratory
Quest
New York DOH Approval Status
Yes