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Acylcarnitine Quantitative Profile, Plasma
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Ordering Recommendation
Diagnose and monitor for fatty acid oxidation disorders and organic acidemias. Use in conjunction with urine organic acids and acylglycines testing.
Mnemonic
Methodology
Tandem Mass Spectrometry
Performed
Tue, Thu, Sat
Reported
2-7 days
New York DOH Approval Status
Specimen Required
Green (sodium or lithium heparin). Also acceptable: Plain red.
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.2 mL) Avoid hemolysis.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Room temperature specimens. Specimens that have been refrigerated for longer than 12 hours. Grossly hemolyzed specimens.
Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (eg, TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site at aruplab.com/patienthistory or by contacting ARUP Client Services.
After separation from cells: Ambient: Unacceptable; Refrigerated: 12 hours; Frozen: 1 month (avoid repeated freeze/thaw cycles)
Reference Interval
Reports include age appropriate reference intervals and interpretation.
Interpretive Data
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
As of 04/12/2021, the method for the analysis of acylcarnitines in plasma has been updated. This update resulted in changes in values for several acylcarnitine species. Reference ranges have been updated as well to account for the differences due to the change in method. Values obtained before 04/12/2021 cannot be compared directly to values obtained after the change. Please refer to the reference ranges included in the report. If you have any questions or concerns related to this change, please contact Dr. M. Pasquali at ARUP Laboratories, (800) 242-5787 ext. 2853.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
82017
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0040029 | C5-OH, 3-OH Isovaleryl | 39001-3 |
| 0040034 | Acylcarnitine, Plasma Interpretation | 46252-3 |
| 0040037 | C2, Acetyl | 30191-1 |
| 0040038 | C3, Propionyl | 30551-6 |
| 0040039 | C4, Iso-/Butyryl | 51413-3 |
| 0040042 | C5, Isovaleryl/2Mebutyryl | 30531-8 |
| 0040046 | C5-DC, Glutaryl | 30349-5 |
| 0040047 | C6, Hexanoyl | 30358-6 |
| 0040049 | C8, Octanoyl | 30540-9 |
| 0040054 | C8:1, Octenoyl | 30541-7 |
| 0040057 | C10, Decanoyl | 30327-1 |
| 0040058 | C10:1, Decenoyl | 30328-9 |
| 0040062 | C12, Dodecanoyl | 30331-3 |
| 0040063 | C12:1, Dodecenoyl | 30332-1 |
| 0040064 | C12-OH, 3-OH-Dodecanoyl | 30233-1 |
| 0040066 | C14, Tetradecanoyl | 30565-6 |
| 0040067 | C14:1, Tetradecenoyl | 30566-4 |
| 0040068 | C14:2, Tetradecadienoyl | 30564-9 |
| 0040069 | C14-OH, 3-OH-Tetradecanoyl | 30238-0 |
| 0040074 | C14:1-OH, 3-OH-Tetradecenoyl | 30190-3 |
| 0040076 | C16, Palmitoyl | 30356-0 |
| 0040077 | C16:1, Palmitoleyl | 30357-8 |
| 0040078 | C16-OH, 3-OH-Palmitoyl | 30234-9 |
| 0040079 | C16:1-OH, 3-OH-Palmitoleyl | 30235-6 |
| 0040087 | C18, Stearoyl | 30560-7 |
| 0040093 | C18:1, Oleyl | 30542-5 |
| 0040094 | C18:2, Linoleyl | 30534-2 |
| 0040097 | C18-OH, 3-OH-Stearoyl | 35656-8 |
| 0040098 | C18:1-OH, 3-OH-Oleyl | 30312-3 |
| 0040101 | C18:2-OH, 3-OH-Linoleyl | 30237-2 |
Aliases
- ACP profile
- acylcarnities, quantitative
- acylcarnitine profile
- plasma acylcarnitine profile
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