FAT ACID ESS
Fatty Acid Profile, Essential
EPIC Test Procedure Code: LAB3719
Performing Lab:
Referral Laboratory
Patient Preparation:
The patient must be fasting (12-14) hours and must not consume any alcohol for 24 hours
prior to the specimen collection.
Required Patient Info:
The patient's age and sex are required on the request form for processing.
Container Type:
Red-gel tube, plain red top tube, lavender top (EDTA) tube, or green-top (sodium or lithium heparin) tube.
Specimen Type:
Serum or plasma
Preferred Volume:
0.5 mL
Minimum Volume:
0.15 mL
Specimen Processing:
Separate from cells ASAP or within 45 minutes of draw.
Store and Transport:
Frozen
Stability:
Room Temperature - 48 hours
Refrigerate - 1 week
Frozen - 3 months
Unacceptable Condition:
Grossly hemolyzed; icteric; lipemic; non-fasting specimens.
CPT Codes:
82542 - Fatty Acid Profile Essential (EAP 30021511)
Method:
Quantitative gas chromatography/mass spectrometry/stable isotope dilution.
Test Includes:
Lauric Acid, C12:0;Myristic Acid, C14:0; Palmitoleic Acid, C16:1w7; Hexadecenoic Acid, C16:1w9; Palmitic Acid, C16:0; g-Linolenic Acid, C18:3w6; a-Linolenic Acid, C18:3w3; Linoleic Acid, C18:2w6; Oleic Acid, C18:1w9; Vaccenic Acid, C18:1w7; Stearic Acid, C18:0; EPA, C20:5w3; Arachidonic Acid, C20:4w6; Mead Acid, C20:3w9; h-g-Linolenic C20:3w6; Arachidic Acid, C20:0; DHA, C22:6w3; DPA, C22:5w6; DPA, C22:5w3; DTA, C22:4w6; Docosenoic Acid, C22:1; Nervonic Acid, C24:1w9; Triene Tetraene Ratio; Total Saturated Acid; Total Monounsaturated Acid; Total Polyunsaturated Acid; Total w3; Total w6; Total Fatty Acids.