Fatty Acids Profile, Essential Serum or Plasma
Also known as: FA PRO SP
Use
The Fatty Acids Profile, Essential Serum or Plasma test aids in the identification of patients with essential fatty acid deficiency and helps in the evaluation of nutritional status and diet monitoring. It is particularly relevant for assessing long-term nutritional status and for patients, such as infants or those at risk for metabolic derangement, who are unable to fast.
Special Instructions
Patient must fast overnight for 12-14 hours and avoid alcohol for 24 hours prior to collection. Patient age, treatment, family history, and tentative diagnosis information is required on the test request form.
Limitations
This test does not screen for disorders of peroxisomal biogenesis/function. The performance characteristics were determined by ARUP Laboratories, and it has not been cleared or approved by the FDA. Results should be interpreted in conjunction with other clinical findings.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 49262-9
- 35150-2
- 35157-7
- 35162-7
- 35155-1
- 35161-9
- 35163-5
- 35164-3
- 35165-0
- 35166-8
- 35167-6
- 35149-4
- 35173-4
- 35168-4
- 35172-6
- 35171-8
- 35169-2
- 35174-2
- 35181-7
- 35180-9
- 35182-5
- 35160-1
- 35170-0
- 35411-8
- 35175-9
- 35176-7
- 35177-5
- 35178-3
- 35179-1
- 24461-6
- 11526-1
Result Turnaround Time
4-10 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
0.5 mL
Minimum Volume
0.15 mL
Container
Green (sodium or lithium heparin) or Lavender (EDTA)
Collection Instructions
Separate from cells ASAP or within 45 minutes of draw. Transfer to an ARUP Standard Transport Tube and freeze immediately.
Storage Instructions
Frozen
Causes for Rejection
Grossly hemolyzed, lipemic, or nonfasting specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 1 week |
| Frozen | 3 months |
