Carnitine and Acylcarnitine

Test Code

15948

CPT Code(s)

82017, 82379

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Test Code

15948

CPT Code(s)

82017, 82379

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Carnitine and Acylcarnitine - A plasma acylcarnitine profile is one of the most powerful and accurate methods to diagnose inborn errors of fatty acid metabolism and organic acidemias. In newborn screening, newborns have sufficient free carnitine provided through the placenta from the mother to make acylcarnitine profiling alone sufficient to rule out these inborn errors.
Unfortunately, after the newborn period, at the time of presentation and diagnosis, many patients with these disorders have become chronically depleted of free carnitine due to the inability to recycle esterified carnitine. In this situation, the acylcarnitine ...

Test Resources

None found for this test
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Test Details

Methodology

Chromatography/Mass Spectrometry

Assay Category

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.

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory, Patient Preparation

Service Area must be determined

Methodology

Chromatography/Mass Spectrometry

Assay Category

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory, Patient Preparation

Service Area must be determined

Setup Schedule, Preferred Specimen(s), Alternative Specimen(s), Minimum Volume, Collection Instructions, Transport Container, Transport Temperature, Specimen Stability, Reject Criteria

Service Area must be determined

Setup Schedule, Preferred Specimen(s), Alternative Specimen(s), Minimum Volume, Collection Instructions, Transport Container, Transport Temperature, Specimen Stability, Reject Criteria

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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