76977 Ultrasound bone density measurement and interpretation, peripheral site(s), any method 77078 Computed tomography bone mineral density study, 1 or more sites; axial skeleton (e.g., hips, pelvis, spine) 77080 Dual energy X-ray absorptiometry (DXA), bone density study, 1 or more sites; axial skeleton (e.g., hips, pelvis, spine)Web