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Test Code CARNU Carnitine, Random, Urine

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 1.5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Frozen (preferred) 365 days
  Refrigerated  72 hours

Reference Values

FREE CARNITINE:

77-214 nmol/mg of creatinine

 

TOTAL CARNITINE:

180-412 nmol/mg of creatinine

 

RATIO:

Acylcarnitine to free carnitine: 0.7-3.4

Day(s) Performed

Tuesday

CPT Code Information

82379

Report Available

3 to 9 days

Specimen Retention Time

1 month

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.