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Beta-hydroxybutyrate
(a.k.a 3-hydroxybutyrate)
minimum sample volume required ~ 2.5ml
Test Code: OHB
Tube type: Fluoride
Special instructions
Send to laboratory immediately along with with a paired glucose and free fatty acids.
For investigation of hypoglycaemia samples should be taken during a hypoglycaemic episode and, if clinically safe to do so, before giving glucose.
Sent away
to Southmead Hospital
Contact Laboratory before requesting
Reference range
<0.30 (fasting)
Units
mmol/L
Linked to
FFA
Turnaround Time
7
days
Department: Biochemistry
Clinical Application
Low levels seen in hypoglycaemia due to hyperinsulinaemia and disordered fatty acid metabolism.
Elevated in ketoacidosis, but note long turnaround time for this analysis can make it unhelpful in differential diagnosis of metabolic acidosis.
Webpage updated: March 2024.
