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HelpTest Code LAB0289033 Beta-Hydroxybutyrate, Plasma or Serum
Methodology
Spectrophotometric. D-3-hydroxybutyrate in the presence of NAD is converted to acetoacetate and NADH at pH 8.5 by D-3-hydroxybutyrate dehydrogenase. NADH is converted to a colored compound using INT and Diaphorase.
Performing Laboratory
CentraCare Laboratory Services
Specimen Requirements
Specimen Type: Plasma
Container/Tube:
Preferred: Green top (Lithium heparin/PST)
Acceptable: Serum(Red top, Gold/SST), Na Heparin plasma (Label specimen appropriately)
Specimen Volume: 0.5 mL
Minimum Volume: 0.25 ml
Specimen Transport Temperature
Refrigerated
Reference Values
< 0.3 mmol/L
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82010