Carnitine, Quantitative, Urine

Abbrev Code:MMMISC   
Order Code:LAB4909Order Name:Laboratory Miscellaneous Order
Synonyms:L-Carnitine, Urine
Methodology:Tandem mass spectrometry (MS/MS)/Flow injection analysis
CPT Codes: 82379 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-9 days.

This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared by the U.S. Food and Drug Administration.

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Urine Collection Procedure

Collection Instructions

Optimal Volume:Submit entire collection; analysis requires 1.5 mL
Minimum\Peds Volume:0.5 mL
Container:Plastic leakproof container, sterile

Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 1.5 mL, 0.5 mL minimum. Freeze immediately.
Shipping Instructions:Ship on dry ice.
Stability:3 days at refrigerated temperature; 1 year frozen (preferred).
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:CARNU


Reference Range:


77-214 nmol/mg of creatinine


180-412 nmol/mg of creatinine

Ratio: acyl to free




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