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Paediatric Laboratory Medicine

Carnitine, Free and Total

Clinical Significance

Diagnosis and evaluation  of primary carnitine deficiency and evaluation of Fatty Acid oxidation defects or organic acidurias

Test Name

Carnitine, Free and Total

Test Code

YFCRN, YCRN

Division

Metabolic Diseases

Method

Liquid Chromatography - Mass Spectrometry (LC-MS)

Turn Around Time

Batch test

Specimen Type

Serum, Plasma

Minimum Specimen Requirements

500 µL

Storage/Transportation

Ship frozen

Shipping and Contact Information

The Hospital for Sick Children
Rapid Response Laboratory
170 Elizabeth Street, Room 3642
Toronto, ON
M5G 2G3
Canada
Phone: 416-813-7200
Phone: 1-855-381-3212

Reference Range

Free Carnitine                                    Total Carnitine
Age Range (µmol/L)                          Age Range (µmol/L)

< 16d 12.0-60.0                                < 16d 23.0-84.0

>16d 26.0-60.0                                >16d 32.0-84.0