Osteocalcin (Bone gla Protein) – Ref LabSee reference lab website for details.https://www.labcorp.com/tests/010249/osteocalcinOverviewSpecimenPerformanceCodesAliases10249,Bone GLA ProteinSpecimen TypeSee reference lab website for details.https://www.labcorp.com/tests/010249/osteocalcin