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Collection Requirements
Source: blood
Container(s):
- Preferred: Red
- Acceptable: Sodium heparin green
Volume: 1 mL in vacutainer
Includes
Total carnitine, free carnitine, and acylcarnitine
Turn Around Time
3-7 days
Testing performed Wednesday.
Must be received in the Toxicology Lab by 0700 to be included in
the batch.
Results are reported each Friday
Availability
Routine
Lab Processing Instructions
Specimen: plasma or serum
Spin, separate, and refrigerate
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Biochemical Genetics
Instrumentation/Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Reference Ranges
| Age | Total Carnitine (uM) | Free Carnitine (uM) | Acylcarnitine (uM) | AC/FC Ratio |
|---|---|---|---|---|
| <1 day | 23 - 68 | 12 - 36 | 7 - 37 | 04 - 1.7 |
| 2-7 days | 17 - 41 | 10 - 21 | 3 - 24 | 0.2 - 1.4 |
| 8 days - 31 days | 19 - 59 | 12 - 46 | 4 - 15 | 0.1 - 0.7 |
| 32 days - 12 months | 38 - 68 | 27 - 49 | 7 - 19 | 0.2 - 0.5 |
| 13 months - 6 years | 35 - 84 | 24 - 63 | 4 - 28 | 0.1 - 0.8 |
| 7-10 years | 28 - 83 | 22 - 66 | 3 - 32 | 0.1 - 0.9 |
| 11-17 years | 34 - 77 | 22 - 65 | 4 - 29 | 0.1 - 0.9 |
| >18 years | 34 - 78 | 25 - 54 | 5 - 30 | 0.1 - -0.8 |
CPT
82379