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Test ID NEFA Free Fatty Acids, Total, Serum

Useful For

Evaluation of metabolic status of persons with endocrinopathies

 

Detection of pheochromocytoma and of glucagon-, thyrotropin-, and adrenocorticotropin-secreting tumors

 

Monitoring of control of diabetes mellitus (serum-free glycerol is a very useful companion test in assessing diabetes and may be ordered by special request from Mayo Clinic Laboratories). The correlation with insulin resistance and downstream cardiovascular risk may be a useful treatment aid in some patients.

Method Name

Enzymatic Colorimetric

Reporting Name

Free Fatty Acids, Total, S

Specimen Type

Serum


Specimen Required


Patient Preparation:

1. Fasting-overnight (12-14 hours).

2. Patient must not consume any alcohol for 24 hours before the specimen is drawn.

Collection Container/Tube: 

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Spin down within 45 minutes of draw.

2. Immediately freeze specimen.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen

Reference Values

≥16 years: 0.00-0.72 mmol/L

Reference values have not been established for patients who are <16 years of age.

Day(s) and Time(s) Performed

Monday through Friday; 7 a.m.-5 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82725

LOINC Code Information

Test ID Test Order Name Order LOINC Value
NEFA Free Fatty Acids, Total, S 15066-4

 

Result ID Test Result Name Result LOINC Value
NEFA Free Fatty Acids, Total, S 15066-4

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.