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3347: Fatty Acids, Free (Non-Esterified) Print View
Free Fatty Acids ENZ  < 30 days: < 2.30
< 12 months: 0.5 - 1.6
< 8 years: 0.6 - 1.5
< 18 years: 0.2 - 1.1
>= 18 years: 0.07 - 0.88 
mmol/L 

PRIMARY
1 Serum 2 (0.5) mL   Frozen - 2 Month(s)  
ALTERNATE

Free fatty acids can contribute to insulin resistance and development of Type II diabetes. Free fatty acids are also implicated as an independent risk factor for future heart disease. Free fatty acid elevations can occur in a disorder with elevated levels of lipoactive hormones (epinephrine, norepinephrine, ACTH, thyrotropin, growth hormone, glucagons). In diabetics, insulin deficiency can lead to a shift where the body is preferentially obtaining energy from lipolysis and this process leads to elevated concentrations of free fatty acids. During fasting or starvation, the same process can elevate free fatty acid levels to as much as three times the normal value. Situational stress, such as when a blood sample is drawn, may also cause a rapid increase in plasma fatty acid levels.

Grossly hemolyzed and lipemic specimens will be rejected. Patient
should fast 12 hours prior to specimen collection. Separate serum
from clot as soon as possible and freeze. Any specimen containing
heparin is unsuitable for analysis; hence, this test is not
suitable for patients on heparin therapy. Transport frozen.
Setup Schedule
Wednesday

Reported (Analytical Time)
Same day

CPT Code
82725

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.






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