Days Set Up
Monday - Friday
Analytic Time

3 - 7 days

MiChart Code
Essential Fatty Acid Profile (C12-C22)
Soft Order Code

Test Updated:


Fatty Acid Profile, Essential

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All specimens should be accompanied by a requisition.

Submitting Specimens

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Stable Isotope Dilution Gas Chromatography/Mass Spectrometry (GC/MS)

Test Usage

Evaluate deficiency of essential and other nutritionally beneficial fatty acids.

Reference Range

Age specific reference ranges provided with report.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements


Collect specimen in red top or SST tube from a fasting patient (12 - 14 hour fast). Centrifuge within 45 minutes of collection, aliquot serum into a plastic tube and freeze. Patient must not consume alcohol for 24 hours before collection of specimen.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.2 mL serum

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.