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HelpTest Code NEFAM Free Fatty Acids, Total, Serum
Additional Codes
| Mayo | NEFA |
| Epic ID | LAB2442 |
Specimen Type
SerumSpecimen Required
Patient Preparation:
1. Fasting: 12 hours, required
2. Patient must not consume any alcohol for 24 hours before the specimen is collected.
3. Patient should not be receiving therapeutic heparin.
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Within 45 minutes of collection, centrifuge and aliquot 1 mL of serum into a plastic vial.
2. Immediately freeze specimen.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen | 7 days |
Transport frozen.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Enzymatic Colorimetric
Useful For
Evaluation of metabolic status of patients with endocrinopathies
Monitoring of control of diabetes mellitus
Monitoring the effects of therapeutic diet/exercise lifestyle changes
Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysReference Values
≥18 years: 0.00-0.72 mmol/L
Reference values have not been established for patients who are <18 years of age.
CPT Code Information
82725