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HelpTest Code FAPEP Fatty Acid Profile, Essential, Serum
Additional Codes
| Hospital Order Code |
| Lab2608 MISMGO |
Reporting Name
Fatty Acid Profile, Essential, SUseful For
Evaluating the nutritional intake and intestinal absorption of essential fatty acids using serum specimens
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)
Method Name
Gas Chromatography Mass Spectrometry (GC-MS) Stable Isotope Dilution Analysis
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumNecessary Information
1. Patient's age is required.
2. Include information regarding treatment, family history, and tentative diagnosis.
Specimen Required
Patient Preparation:
1. Fasting:
a. For nutritional assessment: 12 hours, required
b. For patients with a suspected fatty acid oxidation disorder, prolonged fasting is contraindicated. Collect as close to the patient's next scheduled meal/feeding as possible.
2. Patient must not consume any alcohol for 24 hours before the specimen collection.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.15 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 92 days |
| Refrigerated | 72 hours |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Day(s) Performed
Monday through Friday
CPT Code Information
82725
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FAPEP | Fatty Acid Profile, Essential, S | 43676-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 17021 | Lauric Acid, C12:0 | 35150-2 |
| 17022 | Myristic Acid, C14:0 | 35157-7 |
| 17023 | Hexadecenoic Acid, C16:1w9 | 35155-1 |
| 17024 | Palmitoleic Acid, C16:1w7 | 35162-7 |
| 17025 | Palmitic Acid, C16:0 | 35161-9 |
| 17026 | g-Linolenic Acid, C18:3w6 | 35163-5 |
| 17027 | a-Linolenic Acid, C18:3w3 | 35164-3 |
| 17028 | Linoleic Acid, C18:2w6 | 35165-0 |
| 17029 | Oleic Acid, C18:1w9 | 35166-8 |
| 17030 | Vaccenic Acid, C18:1w7 | 35167-6 |
| 17031 | Stearic Acid, C18:0 | 35149-4 |
| 17032 | EPA, C20:5w3 | 35173-4 |
| 17033 | Arachidonic Acid, C20:4w6 | 35168-4 |
| 17034 | Mead Acid, C20:3w9 | 35172-6 |
| 17035 | h-g-Linolenic, C20:3w6 | 35171-8 |
| 17036 | Arachidic Acid, C20:0 | 35169-2 |
| 17037 | DHA, C22:6w3 | 35174-2 |
| 17038 | DPA, C22:5w6 | 35181-7 |
| 17039 | DPA, C22:5w3 | 35180-9 |
| 17040 | DTA, C22:4w6 | 35182-5 |
| 17041 | Docosenoic Acid, C22:1 | 35160-1 |
| 17042 | Nervonic Acid, C24:1w9 | 35170-0 |
| 17043 | Triene Tetraene Ratio | 35411-8 |
| 17044 | Total Saturated Acid | 35175-9 |
| 17045 | Total Monounsaturated Acid | 35176-7 |
| 17046 | Total Polyunsaturated Acid | 35177-5 |
| 17047 | Total w3 | 35178-3 |
| 17048 | Total w6 | 35179-1 |
| 17049 | Total Fatty Acids | 24461-6 |
| 17054 | Interpretation | 59462-2 |