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82042M
FATTY ACID PROFILE, COMPREHENSIVE (C8-C26), SERUM

Test Code 82042M 
Test FATTY ACID PROFILE, COMPREHENSIVE (C8-C26), SERUM 
Methodology Gas Chromatography / Mass Spectrometry, (GC-MS) Stable Isotope Dilution Analysis 
Description Used to monitor patients undergoing diet therapy for mitochondrial or peroxisomal fatty acid oxidation disorders. Treatment of essential fatty acid deficiency depends on the cause of the disorder and may include nutritional supplementation of essential fatty acids, linoleic acid (C18:2w6) and alpha-linolenic acid (C18:3w3). 
Specimen Draw blood in either a plain, red-top tube or serum gel tube following an overnight (12 - 24 hour) fast. Patient must not consume any alcohol for 24 hours before the specimen is drawn. Spin down and send 0.5 mL (minimum: 0.2 mL) of serum FROZEN in plastic vial on dry ice.

NOTE:
1. PATIENT'S AGE IS REQUIRED ON REQUEST FORM FOR PROCESSING.
2. Include information regarding treatment, family history, and tentative diagnosis. 

Reference Values See "Fatty Acid Reference Values." 
Analytic Time 3 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 82544  

Special Instructions