Acylcarnitine, Plasma

Test Code
ACYLCARNITINE(14531)

Quest Code
14531

CPT Codes
82017<br /> **This test is not available for New York patient testing. For New York patient testing use test code 14846**

Preferred Specimen
1 mL plasma collected in a sodium heparin (green-top) tube

Patient Preparation
Patient should be in a well-fed state.

Minimum Volume
0.2 mL

Other Acceptable Specimens
Serum

Instructions
Collect blood sample in sodium heparin (green-top) tube. Separate plasma by centrifugation ASAP. Avoid hemolysis. Remove plasma and place in plastic tube. Freeze immediately after separation. Date of birth required.

Transport Temperature
Frozen

Specimen Stability
Room temperature: 1 hour
Refrigerated: 1 hour
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated • Gross hemolysis

Methodology
Chromatography/Mass Spectrometry

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

Setup Schedule
Tue, Thu, Sat

Report Available
4 to 5 Day(s)

Limitations
A low carnitine level may mask a disease state.

Reference Range
See Laboratory Report

Clinical Significance
Elevation of one or more acylcarnitines is diagnostic for an organic aciduria or a fatty disorder. A low carnitine level may mask a disease state.

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042



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.