OmegaCheck




Test Mnemonic

OMEGAC

CPT Codes

  • 82542 - QTY (1)

Aliases

  • Omega 3 and 6 Fatty Acids

Performing Laboratory

Cleveland HeartLab, Inc.


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mLWhole bloodEDTA (Lavender) RefrigeratedGently invert tube 8-10 times immediately after draw. DO NOT SHAKE. Do not centrifuge. Store EDTA whole blood at 2°C to 8°C after collection and ship the same day.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.1 mL     

Stability

Environmental Condition Description
Refrigerated10 weeks
Ambient10 weeks
FrozenUnacceptable at -20 degrees C; Stable 10 weeks at -70 degrees C

Days Performed

Mon - Fri

Turnaround Time

5 - 8 days

Methodology

Name Description
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 

Reference Range

Arachidonic Acid
Sex Age From Age To Type Range Range Unit
       Normal8.6 - 15.6% by wt
Arachidonic acid/EPA ratio
Sex Age From Age To Type Range Range Unit
       Normal3.7 - 40.7 
DHA
Sex Age From Age To Type Range Range Unit
       Normal1.4 - 5.1% by wt
DPA
Sex Age From Age To Type Range Range Unit
       Normal0.8 - 1.8% by wt
EPA
Sex Age From Age To Type Range Range Unit
       Normal0.2 - 2.3% by wt
Linoleic Acid
Sex Age From Age To Type Range Range Unit
       Normal18.6 - 29.5% by wt
Omega-6/3 Ratio
Sex Age From Age To Type Range Range Unit
       Normal3.7 - 14.4 
OmegaCheck
Sex Age From Age To Type Range Range Unit
       Normal>5.4% by wt

Special Info

Fasting: Preferred, but not required. Causes for rejection: Specimens other than EDTA whole blood; improper labeling; samples not stored properly; samples older than stability limits; lipemic samples.

Clinical Info

OmegaCheck™ may be performed on individuals with hypercholesterolemia, hypertriglyceridemia, hypertension, and/or those at high metabolic or cardiovascular risk. Relative Risk: Low Risk OmegaCheck™ (% by weight): > or =5.5; Moderate Risk OmegaCheck™ (% by weight): 3.8 - 5.4; High Risk OmegaCheck™ (% by weight): < or = 3.7