Orthopaedic Progress and Specialisation in the aG-DRG System: An Analysis from the Perspective of a Centre of the National Centre for Tumour Diseases with a Focus on Bone Sarcoma.

In most cases, the specific Diagnosis Related Groups (Diagnosis Related Groups) I95A or I95B, which are available for tumour prostheses, are billed to the payers.

As a result, each patient's internal hospital costs were compared with the respective cost blocks of the aG-Diagnosis Related Groups matrix.

In total, 198 patients could be included, with an average age of 43.7 years (SD: 25.5), with a reduction of 2.7 days in the average length of stay compared to the duration specified by InEK.

The greatest discrepancy was found in the implant costs, with a hospital-specific undercoverage of € -1,445, primarily due to the location and the use of patient-specific implants.