| Laboratory: | Clinical Biochemistry (METABOLIC) | ||||
| Test Name: |
FATTY ACID PROFILE, ESSENTIAL, SERUM - (P) (S)
Test Code:
FAP
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| Clinical Information: |
Test Indications: This test is used for:
- Evaluating the nutritional intake and intestinal absorption of essential fatty acids. - Identifying deficiency of essential and other nutritionally beneficial fatty acids. - Monitoring treatment of patients with essential fatty acid deficiencies who are receiving linoleic acid (C18:2w6) and alpha-linolenic acid (C18:3w3). * Patient's age is required. Include information regarding treatment, family history and tentative diagnosis. Restricted to: Manitoba Home Nutrition Program. Other requests need an approval - click here for Biochemistry Approval for Test Referral (F260-11-02). Method: Gaz Chromatography Mass Spectrometry (GC-MS) Stable Isotope Dilution Analysis Test performed: by Mayo Clinic Laboratories For questions/information: Call Metabolic Lab at 204-787-4530 and ask for the Biochemical Geneticist. Patient Preparation Instructions: 1) For nutritional assessment, patient should fast overnight (12-14 hours); for patients with a suspected fatty acid oxidation disorder, collect prior to next feeding as fasting is contraindicated. In the case of a patient on total parenteral nutrition (TPN), specimen can be collected as normal. 2) Patient must not consume any alcohol for 24 hours before the specimen is collected. |
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| Collection Devices: |
Sodium Heparin, Lavender EDTA, Red top tube are also accepted.
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| Specimen Required: |
Serum: 0.5 mL
Pediatric Serum: 0.5 mL
Pediatric: 0.5 mL (minimum 0.15 mL) Centrifuge and aliquot into plastic vial. Store and keep frozen. Stability: see below |
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| Referral: |
Centrifuge and aliquot into plastic vial. Store and send sample frozen to Metabolic Lab (HSC).
Send the requisition (or a clear copy) with the sample. Stability: see below. |
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| Requisition: | |||||
| Reference Values: |
An interpretative report will be sent.
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| Availability: |
Within 2 Weeks
Available to Manitoba Home Nutrition Program Staff. Other requests need chemist approval.
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| See Also: | |||||
| More Information: |
If you have any questions, please communicate with the Metabolic Lab (HSC): 204-787-4530
Reject due to: gross lipemia Stability: Frozen: 92 days Refrigerated: 72 hours Store and ship to:Mayo Clinic Lab Test ID: serum FAPEP plasma: PFAPEP CPT code: 82542 |