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 mL | Whole blood | EDTA (Lavender) | Refrigerated | Gently 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 |
|---|---|
| Refrigerated | 10 weeks |
| Ambient | 10 weeks |
| Frozen | Unacceptable 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 |
| Normal | 8.6 - 15.6 | % by wt | |||
| Arachidonic acid/EPA ratio | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 3.7 - 40.7 | ||||
| DHA | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 1.4 - 5.1 | % by wt | |||
| DPA | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 0.8 - 1.8 | % by wt | |||
| EPA | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 0.2 - 2.3 | % by wt | |||
| Linoleic Acid | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 18.6 - 29.5 | % by wt | |||
| Omega-6/3 Ratio | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 3.7 - 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