While the joint replacement bundle for hips and knees has been one of the most popular of Medicare's Bundled Payment for Care Improvement Advanced program, providers are shifting to bundles for medical and chronic conditions like sepsis and chronic obstructive pulmonary disease.
On total joints, participants already may have done all they could to make care more cost-effective by reducing use of post-acute skilled nursing care, said Dr. Amol Navathe, assistant professor of health policy at University of Pennsylvania who studies bundled payment models.