ARUP's Laboratory Test Directory

Carnitine, Total, Urine : 0081307

Mnemonic: CARNU TOT

Methodology: Tandem Mass Spectrometry
Performed: Wed
Reported: 2-9 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Freeze specimen immediately after collection. Transport 5 mL urine. (Min: 2 mL)

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions: Refrigerated or room temperature specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Reference Interval:
0-5 months: 160-1552 µmol/g creatine
6-23 months: 231-1710 µmol/g creatinine
2 years and older: 73-731 µmol/g creatinine
Interpretive Data:

See Compliance Statement B: www.aruplab.com/CS
CPT Code(s): 83789