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Fatty Acids, Nonesterified

Item

Value

Approval req'd?

Available Stat?

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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Fatty Acids, Nonesterified