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Lab Manual for Moffitt-Long and Mount Zion

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Fatty Acids, Nonesterified

Item Value
Approval req'd? No
Available Stat? No
Test code NEFA
Performed by Quest
Sendout? Yes
Method Spectrophotometric, enzymatic
Collection Instructions Collect ON ICE after an overnight fast; bring IMMEDIATELY to laboratory.

Do not use heparin containing vacutainer. Specimens from patients receiving heparin are NOT acceptable.
Container type Gold top on ice
Amount to Collect 4 mL blood
Sample type Serum or plasma
Preferred volume 1 mL serum or plasma
Min. Volume 0.3 mL serum or plasma
UCSF Rejection Criteria Collected in heparin. Not delivered on ice.
Processing notes Separate serum or plasma immediately and freeze at -20C within 2 hours of collection. Order Quest # 22749P
Units mmol/L
Normal range
Newborn 0-2.30 mmol/L
1-12 months 0.50-1.60 mmol/L 1-7 years 0.60-1.50 mmol/L 8-17 years 0.20-1.10 mmol/L ≥ 18 year old 0.09-0.82 mmol/L
Synonyms Free Fatty Acids; FFA; unesterified fatty acids;
Stability Refrigerated 12 hours, frozen at -20C 1 month.
Turn around times Test run Tuesday-Saturday. Turnaround time: 1-3 days.
LOINC code 15066-4
Last Updated 10/2/2010 11:51:51 AM
Entry Number 374

If you have additional questions regarding this test, please call: 415-353-1667

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