Acylcarnitine, Quantitative, Plasma


Sunquest Code:ACYLP  
Epic Code:LAB429Epic Name:Acylcarnitine Plasma Quantitative
Methodology:Flow Injection Analysis/Tandem mass spectrometry (FIA-MS/MS)
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri. Results are reported in 2-5 days.
Special Instructions:Include family history, clinical condition (asymptomatic or acute episode), diet and drug therapy information. The patient's age is required on the request form. Should be drawn just before a scheduled meal or feeding.


Collection Instructions

Specimen:Blood
Optimal Volume:0.2 mL
Minimum\Peds Volume:0.1 mL
Container:Green (sodium heparin, no gel)
[Alternate Containers: Purple (EDTA)]


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.1 mL, 0.04 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice (preferred).
Stability:Stability: Room temperature - 8 days; refrigerated - 64 days; frozen - 92 days.
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:ACRN


Interpretive

Reference Range:
  ≤ 7 days (nmol/mL) 8 d - 7 yr (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-Metheylbutyrylcarn 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
Sailcylcarnitine <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
Otcadecanoylcarnitine, 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
 
Use:Diagnosis of fatty acid beta-oxidation disorders and several organic acidurias.


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