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HelpTest Code CARNTM Carnitine, Plasma
Additional Codes
| EPIC EAP | Mayo |
| LAB815 | CARN |
Reporting Name
Carnitine, PUseful For
Evaluation of patients with a clinical suspicion of a wide range of conditions including organic acidemias, fatty acid oxidation disorders, and primary carnitine deficiency using plasma specimens
Method Name
Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
PlasmaNecessary Information
Patient's age is required.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Green top (sodium heparin)
Acceptable: Lavender top (EDTA), green top (lithium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL Plasma
Collection Instructions: Centrifuge and aliquot plasma into a plastic vial
Specimen Minimum Volume
Plasma: 0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma | Frozen (preferred) | 60 days |
| Refrigerated | 21 days | |
| Ambient | 7 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Day(s) Performed
Monday through Friday
CPT Code Information
82379
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CARN | Carnitine, P | 97182-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 32050 | Total | 14288-5 |
| 32051 | Free (FC) | 14286-9 |
| 32052 | Acylcarnitine (AC) | 14282-8 |
| 21032 | AC/FC Ratio | 30193-7 |
| 21549 | Interpretation | 59462-2 |
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.Report Available
3 to 5 daysForms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.