Free Fatty Acids Total to Mayo
| Abbrev Code: | MMMISC | ||
| Order Code: | LAB4909 | Order Name: | Mayo Miscellaneous Test |
| Synonyms: | Nonesterified Fatty Acid | ||
| Methodology: | Enzymatic colorimetric | ||
| CPT Codes: | 82725 x1 | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Fri; results are reported within 2-4 days. | ||
| Special Instructions: | Fasting overnight (12-14 hours). Patient must not consume any alcohol for 24 hours before the specimen is drawn. Patient should not be receiving therapeutic heparin. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red (no gel) |
| Causes for Rejection: | Heparinized specimen; grossly hemolyzed, lipemic or icteric specimens. |
Processing and Shipping
| Specimen Processing: | Separate from cells within 45 minutes of collection and aliquot 1 mL, 0.5 mL minimum. Freeze immediately; do not allow to thaw. |
| Shipping Instructions: | Ship on dry ice. |
| Test Performed at or Referral Lab | Lab Sendouts (Mayo) |
| Referral Lab number: | NEFA |
Interpretive
| Reference Range: | 18 years and older: 0.00 - 0.72 mmol/L
Reference values have not been established for patients who are less than 18 years of age. |
| Use: | Abnormally high levels of free fatty acids are associated with uncontrolled diabetes mellitus and with conditions that involve excessive release of a lipoactive hormone such as epinephrine, norepinephrine, glucagon, thyrotropin and adrenocorticotropin. |
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