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HelpTest Code ACRNM Acylcarnitines, Quantitative, Plasma
Additional Codes
| Mayo | ACRN |
| Epic ID | LAB429 |
Specimen Type
PlasmaNecessary Information
1. Patient's age is required.
2. Include family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information.
Specimen Required
Patient Preparation: Collect specimen just before scheduled meal or feeding.
Collection Container/Tube:
Preferred: Green top (sodium heparin)
Acceptable: Lavender top (EDTA) or green top (lithium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.1 mL Plasma
Collection Instructions: Centrifuge and aliquot plasma into plastic vial.
Specimen Minimum Volume
0.04 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma | Frozen (preferred) | 92 days |
| Refrigerated | 64 days | |
| Ambient | 8 days |
Transport frozen.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)
Useful For
Diagnosis of fatty acid oxidation disorders and several organic acidurias using plasma specimens
Evaluating treatment during follow-up of patients with fatty acid beta-oxidation disorders and several organic acidurias
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysReference Values
|
Analyte |
≤7 days (nmol/mL) |
8 days-7 years (nmol/mL) |
≥8 years (nmol/mL) |
|
Acetylcarnitine, C2 |
2.14-15.89 |
2.00-27.57 |
2.00-17.83 |
|
Acrylylcarnitine, C3:1 |
<0.04 |
<0.05 |
<0.07 |
|
Propionylcarnitine, C3 |
<0.55 |
<1.78 |
<0.88 |
|
Formiminoglutamate, FIGLU |
<0.43 |
<0.08 |
<0.14 |
|
Iso-/Butyrylcarnitine, C4 |
<0.46 |
<1.06 |
<0.83 |
|
Tiglylcarnitine, C5:1 |
<0.05 |
<0.09 |
<0.11 |
|
Isovaleryl-/2-Methylbutyrylcarn C5 |
<0.38 |
<0.63 |
<0.51 |
|
3-OH-iso-/butyrylcarnitine, C4-OH |
<0.13 |
<0.51 |
<0.18 |
|
Hexenoylcarnitine, C6:1 |
<0.12 |
<0.10 |
<0.15 |
|
Hexanoylcarnitine, C6 |
<0.14 |
<0.23 |
<0.17 |
|
3-OH-isovalerylcarnitine, C5-OH |
<0.08 |
<0.12 |
<0.10 |
|
Benzoylcarnitine |
<0.13 |
<0.07 |
<0.10 |
|
Heptanoylcarnitine, C7 |
<0.05 |
<0.05 |
<0.06 |
|
3-OH-hexanoylcarnitine, C6-OH |
<0.08 |
<0.19 |
<0.09 |
|
Phenylacetylcarnitine |
<0.15 |
<0.22 |
<0.29 |
|
Salicylcarnitine |
<0.08 |
<0.09 |
<0.09 |
|
Octenoylcarnitine, C8:1 |
<0.48 |
<0.91 |
<0.88 |
|
Octanoylcarnitine, C8 |
<0.19 |
<0.45 |
<0.78 |
|
Malonylcarnitine, C3-DC |
<0.09 |
<0.14 |
<0.26 |
|
Decadienoylcarnitine, C10:2 |
<0.11 |
<0.12 |
<0.26 |
|
Decenoylcarnitine, C10:1 |
<0.25 |
<0.46 |
<0.47 |
|
Decanoylcarnitine, C10 |
<0.27 |
<0.91 |
<0.88 |
|
Methylmalonyl-/succinylcarn, C4-DC |
<0.05 |
<0.05 |
<0.05 |
|
3-OH-decenoylcarnitine, C10:1-OH |
<0.12 |
<0.12 |
<0.13 |
|
Glutarylcarnitine, C5-DC |
<0.06 |
<0.10 |
<0.11 |
|
Dodecenoylcarnitine, C12:1 |
<0.19 |
<0.37 |
<0.35 |
|
Dodecanoylcarnitine, C12 |
<0.18 |
<0.35 |
<0.26 |
|
3-Methylglutarylcarnitine, C6-DC |
<0.28 |
<0.21 |
<0.43 |
|
3-OH-dodecenoylcarnitine, C12:1-OH |
<0.11 |
<0.10 |
<0.13 |
|
3-OH-dodecanoylcarnitine, C12-OH |
<0.06 |
<0.09 |
<0.08 |
|
Tetradecadienoylcarnitine, C14:2 |
<0.09 |
<0.13 |
<0.18 |
|
Tetradecenoylcarnitine, C14:1 |
<0.16 |
<0.35 |
<0.24 |
|
Tetradecanoylcarnitine, C14 |
<0.11 |
<0.15 |
<0.12 |
|
Octanedioylcarnitine, C8-DC |
<0.25 |
<0.19 |
<0.19 |
|
3-OH-tetradecenoylcarnitine C14:1OH |
<0.06 |
<0.18 |
<0.13 |
|
3-OH-tetradecanoylcarnitine, C14-OH |
<0.04 |
<0.05 |
<0.08 |
|
Hexadecenoylcarnitine, C16:1 |
<0.15 |
<0.21 |
<0.10 |
|
Hexadecanoylcarnitine, C16 |
<0.36 |
<0.52 |
<0.23 |
|
3-OH-hexadecenoylcarnitine,C16:1-OH |
<0.78 |
<0.36 |
<0.06 |
|
3-OH-hexadecanoylcarnitine, C16-OH |
<0.10 |
<0.07 |
<0.06 |
|
Octadecadienoylcarnitine, C18:2 |
<0.12 |
<0.31 |
<0.24 |
|
Octadecenoylcarnitine, C18:1 |
<0.25 |
<0.45 |
<0.39 |
|
Octadecanoylcarnitine, C18 |
<0.10 |
<0.12 |
<0.14 |
|
Dodecanedioylcarnitine, C12-DC |
<0.10 |
<0.04 |
<0.04 |
|
3-OH-octadecadienoylcarn, C18:2-OH |
<0.04 |
<0.06 |
<0.06 |
|
3-OH-octadecenoylcarnitine C18:1-OH |
<0.03 |
<0.04 |
<0.06 |
|
3-OH-octadecanoylcarnitine, C18-OH |
<0.03 |
<0.05 |
<0.03 |
CPT Code Information
82017