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Fatty Acids Profile, Essential in Red Blood Cells
Ordering Recommendation
Aids in identification of patients with essential fatty acid deficiency, evaluation of nutritional status, and diet monitoring.
New York DOH Approval Status
Specimen Required
Green (Sodium Heparin), Lavender (K2EDTA), Yellow (ACD Solution A), or Protease Inhibitor tube (PPACK; Phe-Pro-Arg-chloromethylketone) (ARUP supply #49662), available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. A winged collection set must be used.
DO NOT FREEZE. Transport 6 mL whole blood. (Min: 2 mL)
Refrigerated.
Gross hemolysis, frozen whole blood.
Patient age is required on the test request form. Include information regarding treatment, family history, and tentative diagnosis.
Ambient: 24 hours; Refrigerated: 7 days; Frozen: Unacceptable
Methodology
Gas Chromatography-Mass Spectrometry
Performed
Varies
Reported
7-10 days
Reference Interval
By Report
Interpretive Data
This test does not screen for disorders of peroxisomal biogenesis/function.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
82542
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3003087 | Interpretation, Fatty Acids Profile RBC | 75114-9 |
| 3003088 | Myristic Acid, C14:0, RBC | 75103-2 |
| 3003089 | Palmitic Acid, C16:0, RBC | 75115-6 |
| 3003090 | Stearic Acid, C18:0, RBC | 75118-0 |
| 3003091 | Arachidic Acid, C20:0, RBC | 75108-1 |
| 3003092 | Palmitoleic Acid, C16:1w7, RBC | 75111-5 |
| 3003093 | Hexadecenoic Acid, C16:1w9, RBC | 78346-4 |
| 3003094 | Vaccenic Acid, C18:1w7, RBC | 78352-2 |
| 3003095 | a-Linolenic Acid, C18:3w3, RBC | 75113-1 |
| 3003096 | EPA, C20:5w3, RBC | 75097-6 |
| 3003097 | DPA, C22:5w3, RBC | 78347-2 |
| 3003098 | DHA, C22:6w3, RBC | 75095-0 |
| 3003099 | Linoleic Acid, C18:2w6, RBC | 75117-2 |
| 3003100 | g-Linolenic Acid, C18:3w6, RBC | 75119-8 |
| 3003101 | h-g-Linolenic C20:3w6, RBC | 79704-3 |
| 3003102 | Arachidonic Acid, C20:4w6, RBC | 75110-7 |
| 3003103 | DTA, C22:4w6, RBC | 75112-3 |
| 3003104 | DPA, C22:5w6, RBC | 78348-0 |
| 3003105 | Oleic Acid, C18:1w9, RBC | 75102-4 |
| 3003106 | Mead Acid, C20:3w9, RBC | 75106-5 |
| 3003107 | Docosenoic Acid, C22:1, RBC | 78345-6 |
| 3003108 | Nervonic Acid, C24:1w9, RBC | 75098-4 |
| 3003109 | Triene Tetraene Ratio, RBC | 99616-5 |
| 3003110 | Total Saturated Acid, RBC | 99617-3 |
| 3003111 | Total Monounsaturated Acid, RBC | 99618-1 |
| 3003112 | Total Polyunsaturated Acid, RBC | 99619-9 |
| 3003113 | Total w3, RBC | 99620-7 |
| 3003114 | Total w6, RBC | 99621-5 |
| 3003115 | Total Fatty Acids, RBC | 75100-8 |
| 3003116 | EER Fatty Acids Profile, Essential RBC | 11502-2 |
