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Test ID BLOD1341 Acylcarnitines, Quantitative, Plasma

Reporting Name

Acylcarnitines, Quantitative, P

Useful For

Diagnosis of fatty acid oxidation disorders and several organic acidurias in plasma specimens

 

Evaluating treatment during follow-up of patients with fatty acid beta-oxidation disorders and several organic acidurias

Testing Algorithm

The following algorithms are available in Special Instructions:

-Newborn Screening Follow-up for Elevations of C8, C6, and C10 Acylcarnitines (also applies to any plasma or serum C8, C6, and C10 acylcarnitine elevations)

-Newborn Screening Follow-up for Isolated C4 Acylcarnitine Elevations (also applies to any plasma or serum C4 acylcarnitine elevation)

-Newborn Screening Follow-up for Isolated C5 Acylcarnitine Elevations (also applies to any plasma or serum C5 acylcarnitine elevation)

Performing Laboratory

Mayo Medical Laboratories in Rochester

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


Specimen Type: Plasma

Collection Container/Tube:

Preferred: Green top (sodium heparin)

Acceptable: Lavender top (EDTA) or lithium heparin

Submission Container/Tube: Plastic vial

Specimen Volume: 0.1 mL

Collection Instructions: Draw specimen just prior to a scheduled meal or feeding.


Specimen Minimum Volume

0.04 mL

Specimen Stability Information

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

Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.

Test Classification

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

CPT Code Information

82017

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ACRN Acylcarnitines, Quantitative, P 43433-2

 

Result ID Test Result Name Result LOINC Value
82413 Acylcarnitines, Quantitative, P 46252-3
10288 Acetylcarnitine, C2 30191-1
36497 Acrylylcarnitine, C3:1 43235-1
10289 Propionylcarnitine, C3 30551-6
36498 Formiminoglutamate, FIGLU 79628-4
10290 Iso-/Butyrylcarnitine, C4 43243-5
36499 Tiglylcarnitine, C5:1 51416-6
10293 Isovaleryl-/2-Methylbutyrylcarn C5 30531-8
36500 3-OH-iso-/butyrylcarnitine, C4-OH 39000-5
36501 Hexenoylcarnitine, C6:1 74540-6
10295 Hexanoylcarnitine, C6 30358-6
36502 3-OH-isovalerylcarnitine, C5-OH 39001-3
36503 Benzoylcarnitine 39615-0
36504 Heptanoylcarnitine, C7 55871-8
10297 3-OH-hexanoylcarnitine, C6-OH 30236-4
36505 Phenylacetylcarnitine In Process
36506 Salicylcarnitine In Process
10298 Octenoylcarnitine, C8:1 30541-7
10299 Octanoylcarnitine, C8 30540-9
36507 Malonylcarnitine, C3-DC 55940-1
36508 Decadienoylcarnitine, C10:2 53471-9
10301 Decenoylcarnitine, C10:1 30328-9
10302 Decanoylcarnitine, C10 30327-1
36509 Methylmalonyl-/succinylcarn, C4-DC 51415-8
36510 3-OH-decenoylcarnitine, C10:1-OH 82478-9
10304 Glutarylcarnitine, C5-DC 30349-5
10305 Dodecenoylcarnitine, C12:1 30332-1
10306 Dodecanoylcarnitine, C12 30331-3
36511 3-Methylglutarylcarnitine, C6-DC 39002-1
36512 3-OH-dodecenoylcarnitine, C12:1-OH 59195-8
10307 3-OH-dodecanoylcarnitine, C12-OH 30233-1
10308 Tetradecadienoylcarnitine, C14:2 30564-9
10309 Tetradecenoylcarnitine, C14:1 30566-4
10310 Tetradecanoylcarnitine, C14 30565-6
36513 Octanedioylcarnitine, C8-DC 39014-6
10311 3-OH-tetradecenoylcarnitine C14:1OH 30190-3
10312 3-OH-tetradecanoylcarnitine, C14-OH 30238-0
10313 Hexadecenoylcarnitine, C16:1 30357-8
10314 Hexadecanoylcarnitine, C16 30356-0
10315 3-OH-hexadecenoylcarnitine,C16:1-OH 30235-6
10316 3-OH-hexadecanoylcarnitine, C16-OH 30234-9
10317 Octadecadienoylcarnitine, C18:2 30534-2
10318 Octadecenoylcarnitine, C18:1 30542-5
10319 Octadecanoylcarnitine, C18 30560-7
36514 Dodecanedioylcarnitine, C12-DC 55855-1
10320 3-OH-octadecadienoylcarn, C18:2-OH 30237-2
10321 3-OH-octadecenoylcarnitine C18:1-OH 30312-3
36515 3-OH-octadecanoylcarnitine, C18-OH 35656-8
10322 Comment (ACRN) 48767-8

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

NA

Method Name

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

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