FATTY ACID PROFILE, ESSENTIAL (C12-C22)

Test Documentation
Specimen Required
Patient Preparation: 12-14 hour overnight fast required. Patient must not consume alcohol for 24 hours prior to specimen collection.
Draw blood in a green sodium heparin tube. Centrifuge, separate plasma from cells within 45 minutes and send 0.5 mL plasma (0.15 mL minimum) frozen in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA or lithium heparin

Rejection Criteria
Lipemic samples

Methodology
Gas Chromatography-Mass Spectrometry, Stable Isotope Dilution Analysis

Stability
Room Temperature: Unacceptable; Refrigerated: 72 hours; Frozen: 92 days

Reference Range
By report

Performed
Monday-Friday

Turnaround Time6-8 days
Test CodeFAPE
CPT-4 Code (s)
82542
LOINC Codes
Reporting Name   LOINC Code  
Lauric Acid, C12:0   35150-2  
Myristic Acid, C14:0   35157-7  
Hexadecenoic Acid, C16:1w9   35155-1  
Palmitoleic Acid, C16:1w7   35162-7  
Palmitic Acid, C16:0   35161-9  
g-Linolenic Acid, C18:3w6   35163-5  
a-Linolenic Acid, C18:3w3   35164-3  
Linoleic Acid, C18:2w6   35165-0  
Oleic Acid, C18:1w9   35166-8  
Vaccenic Acid, C18:1w7   35167-6  
Stearic Acid, C18:0   35149-4  
EPA, C20:5w3   35173-4  
Arachidonic Acid, C20:4w6   35168-4  
Mead Acid, C20:3w9   35172-6  
h-g-Linolenic, C20:3w6   35171-8  
Arachidic Acid, C20:0   35169-2  
DHA, C22:6w3   35174-2  
DPA, C22:5w6   35181-7  
DPA, C22:5w3   35180-9  
DTA, C22:4w6   35182-5  
Docosenoic Acid, C22:1   35160-1  
Nervonic Acid, C24:1w9   35170-0  
Triene Tetraene Ratio   35411-8  
Total Saturated Acid   35175-9  
Total Monounsaturated Acid   35176-7  
Total Polyunsaturated Acid   35177-5  
Total w3   35178-3  
Total w6   35179-1  
Total Fatty Acids   24461-6  
Interpretation   59462-2  

Warde
Medical
Laboratory