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Test ID BLOD1341 Acylcarnitines, Quantitative, Plasma

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

Specimen Type

Plasma


Necessary 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 prior to a 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

Collection Instructions: Centrifuge and aliquot plasma into plastic vial.


Specimen Minimum Volume

0.04 mL

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Frozen (preferred) 92 days
  Refrigerated  64 days
  Ambient  8 days

Day(s) Performed

Monday through Friday

Report Available

2 to 5 days

Method Name

Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82017

Reporting Name

Acylcarnitines, Quantitative, P

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Reference Values

≤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

Secondary ID

82413
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
13115 Acylcarnitines, Quantitative, P
13116 Acetylcarnitine, C2
19827 Acrylylcarnitine, C3:1
13117 Propionylcarnitine, C3
19828 Formiminoglutamate, Figlu
13118 ISO-/Butyrylcarnitine, C4
19829 Tiglylcarnitine, C5:1
13119 Isovaleryl-/2-Methylbutyrylca, C5
19830 3-OH-ISO-/Butyrylcarnitine, C4-OH
19831 Hexenoylcarnitine, C6:1
13120 Hexenoylcarnitine, C6
19832 3-OH-Isovalerylcarnitine, C5-OH
19833 Benzoylcarnitine
19834 Heptanoylcarnitine, C7
13121 3-OH-Hexanoylcarnitine, C6-OH
19835 Phenylacetylcarnitine
19836 Salicylcarnitine
13122 Octenoylcarnitine, C8:1
13123 Octanoylcarnitine, C8
19837 Malonylcarnitine, C3-DC
19838 Decadienoylcarnitine, C10:2
13134 Decenoylcarnitine, C10:1
13125 Decanoylcarnitine, C10
19839 Methylmalonyl-/Succinylcarn, C4-DC
19840 3-OH-Decenoylcarnitine, C10:1-OH
13126 Glutarylcarnitine, C5-DC
13127 Dodecenoylcarnitine, C12:1
13128 Dodecanoylcarnitine, C12
19841 3-Methylclutarylcarnitine, C6-DC
19842 3-OH-Dodecenoylcarnitine, C12:1-OH
13129 3-OH-Dodecanoylcarnitine, C12-OH
13130 Tetradecadienoylcarnitine, C14:2
13131 Tetradecanoylcarnitine, C14:1
13132 Tetradecanoylcarnitine, C14
19843 Octanedioylcarnitine, C8-DC
13133 3-OH-Tetradecenoylcarnit, C14:1
13134 3-OH-Tetradecanoylcarniti, C14-OH
13135 Hexadecenoylcarnitine, C16:1
13136 Hexadecanoylcarnitine, C16
13137 3-OH-Hexadecenoylcarnit, C16:1-OH
13138 3-OH-Hexadecanoylcarnitin, C16-OH
13139 Linoleylcarnitine, C18:2
13140 Oleylcarnitine, C18:2
13141 Stearoylcarnitine, C18
19844 Dodecanedioylcarnitine, C12-DC
13142 3-OH-Linoleylcarnitine, C18:2-OH
13143 3-OH-Oleylcarnitine, C18:1-OH
19845 3-OH-Ocetadecanoylcarnitine, C18-OH
13144 Comment