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Pathology and Laboratory Medicine
Test Catalogue

​Free Fatty Acids


​Ordering Recommendation
  • ​​Collect specimen after a 12 hour fast
  • Patient must not consume any alcohol for at least 24 hours before specimen collection

​Specimen Requirements​

  • ​Serum
​Collection Procedure
  • ​Specimen must be collected, centrifuged, aliquotted and frozen within 60 minutes of collection
​Required Volume
  • ​Optimal Volume: 4.5 mL Full collection tube
  • Minimum Volume:  2 mL serum
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
  • Specimen must be frozen within 60 minutes
Grounds for Rejection​

Testing Information​ ​

  • ​Shipped weekly
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory
Results Reporting​
  • 13 day turn around time by testing laboratory 

Alternate Test Names​
  • Fatty acid fractionation
  • Free fatty acid fractionation
​Additional Comments
  • ​This test can be used to evaluate metabolic status in patient with endocrinopathies, detect pheochromocytoma, and tumors secreting glucagon, thyrotropin, and andrenocorticotropin
SHR LIS Test Code​
  • ​FFA (For Laboratory Use Only)
​​ ​Test Ordering Requirements ​
​Preferred Specimen Collection
  • ​Refer patient to a  Laboratory Health Services Centre or a Hospital Test Centre able to process specimens within required time frame


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-649 v3

Last Modified: Friday, October 26, 2018 |
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