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Free Fatty Acids & 3- hydroxybutyrate

Alias: FFA, BHB

Discipline: Clinical Chemistry

Test information: Investigation of hypoglycaemia, monitoring of ketogenic diet or prolonged fast.

Specimen Type(s)
  • Blood;
Other Acceptable Specimen Type(s)
Specimen Container - Adult
  • Grey Top BD;
Specimen Container - Paediatric
  • Yellow Top Sarstedt;
  • N/A;
Part of a test profile?
Volume (min) of sample to be sent to laboratory
Patient Preparation, Sample Handling and Transport
Sample should be taken during hypoglycaemia (laboratory glucose <2.6mmol/L).
Maximum add on time
No add ons.
Units and Reference Ranges / Interpretation
Please see the report
UKAS number
UKAS accredited test?
Request FFA and also BHB in MAXIMS, along with a request for glucose, as we require a laboratory glucose and full clinical details to determine if this test is indicated. .

If you have any queries about a test or results interpretation please contact us.

Last updated: 07-06-2024