Carnitine, Plasma

Test Code
CARNB


Alias/See Also
Free and Total Carnitine, Esterified, Carnitine, L-Carnitine Free and Total


CPT Codes
82379

Includes
Includes: Esterified Carnitine, Free Carnitine, Total Carnitine, Esterified/Free (Ratio) Carnitine


Preferred Specimen
1.0 mL of whole blood (0.5 mL of serum or plasma)


Minimum Volume
0.5 mL of whole blood (0.2 mL of serum or plasma)


Instructions

Samples must be frozen within 12 hours




Transport Container
Lithium or Sodium Heparin (green top). No Additive Plain Red Top


Transport Temperature
Frozen


Specimen Stability
Room Temperature: Unacceptable
Refrigerated: 12 hours
Frozen: 1 month


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


Methodology
Tandem Mass Spectrometry

Setup Schedule
Tuesday - Saturday


Report Available
Report avaialbe within 1 to 4 days of receipt at ARUP Laboratories.


Performing Laboratory
ARUP Laboratories



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.