Diagnostic Test Directory

Michael J. Palmieri Metabolic Disease Laboratory

Carnitine -- total & free (Urine)

  • LIS Mnemonic: CARU

    Collect

    Random Urine Container

    Volume Required

    5-10 mL

    Minimum Required

    5 mL

    Transport

    Room temperature

    Stability

    8 hours

    Processing

    Refrigerate if delay in transport > 8 hours. Freeze if delay > 24 hours. If sending specimen from outside CHOP, send on dry ice by overnight courier (Mon-Thurs only).

    Unacceptable conditions

    room temperature >

Days Performed

Tuesday and Friday

Reported

5-7 days

Reflex Testing

N/A

CPT

82379

Methodology

LC/MS/MS

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