Fatty Acid Panel, Mitochondrial (C8-C18), Serum

Test Code

94823

CPT Codes
82542

Includes

Octanoic, C8:0
Decenoic, C10:1
Decanoic, C10:0
Lauroleic, C12:1
Lauric, C12:0
Tetradecadienoic, C14:2
Myristoleic, C14:1
Myristic, C14:0
Hexadecadienoic, C16:2
Palmitoleic, C16:1w7
Palmitic, C16:0
Linoleic, C18:2w6
Oleic, C18:1w9
Stearic, C18:0
Interpretation

Preferred Specimen

1 mL serum collected in red-top tube (no gel)

Patient Preparation
Fasting required (overnight fast). No alcohol consumption for 24 hours prior to draw.
For pediatric patients, fasting is not required, but sample collection should occur prior to the next meal or scheduled feeding.

Minimum Volume

0.2 mL

Other Acceptable Specimens

Plasma collected in an EDTA (lavender-top) tube

Instructions

Patient age and gender are required for reporting

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Lipemia • Non-fasting specimens • Serum separator tube (SST)

Methodology
Gas Chromatography/Tandem Mass Spectrometer

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

A.M. Sets up 3 days a week.

Clinical Significance

Mitochondrial Fatty Acids (C8-C18), to be used to evaluate patients for certain mitochondrial fatty acid oxidation defects as well as for monitoring of dietary therapy.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.