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.

Test Details
Days Set Up
Monday - Friday
Analytic Time

3 - 7 days

Soft Order Code
FAPEP
MiChart Code
Essential Fatty Acid Profile (C12-C22)
Synonyms
  • FAPEP
  • Fatty Acid Profile, Essential
Laboratory
Sendout
Reference Laboratory
Mayo FAPEP (82426)
Section
Special Testing
Specimen Requirements
Collection

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.

Special Handling

Fasting specimen. Must arrive in lab or aliquot and freeze within 45 minutes.

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

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
82542
Fee Code
AA218
LOINC
43676-6
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