See reference lab website for details.
https://www.labcorp.com/tests/503610/hydroxybutyrate
Aliases
503610,B Hydroxybutyric Acid - Bld - Ref Lab,PN0002413,3-Hydroxybutyrate (3HB),Beta-Hydroxybutyric Acid,Ketone Bodies
Specimen Type
See reference lab website for details.