• A Christaras, J Schaper, H Strelow, H-J Laws, and U Göbel.
• Klinik für Kinder-Onkologie, -Hämatologie und -Immunologie, Universitätsklinikum Düsseldorf. christar@uni-duesseldorf.de
• Klin Padiatr. 2006 Nov 1; 218 (6): 366-78.

BackgroundReimbursement of inpatient treatment by daily constant charges is replaced by diagnosis- and procedure-related group system (G-DRG) in German acute care hospitals excerpt for psychiatry since 2004. Re-designs of G-DRG system were undertaken in 2005 and 2006. Parallel to implementation requirement- and resource-based self-adjustment of this new reimbursement system has been established by law. Adjustments performed in 2005 and 2006 are examined with respect to their effect on reimbursements in treatments of children with oncological, hematological, and immunological diseases.Patients And MethodsAn unchanged population of 349 patients associated with 1,731 inpatient stays of a Clinic of Pediatric Oncology, Hematology, and Immunology in 2004 was analyzed by methods and means of G-DRG systems 2004, 2005, and 2006. DRGs and additional payments for drugs and procedures eligible for all and/or individual hospitals were calculated.ResultsG-DRG system 2005 resulted in overall reimbursement loss of 3.77 % compared to G-DRG 2004. G-DRG 2006 leads to slightly improved overall reimbursements compared to G-DRG 2005 by increasing DRG-based revenues. G-DRG 2006 effects 2.40 % reduction in overall reimbursement compared to G-DRG 2004. This loss includes ameliorating effects of additional payments for drugs and blood products already. Despite introduction of additional payments especially designed for children and teenagers in 2006, additional payment volume is decreased by 21.71 % from 2005 to 2006. G-DRG 2006 yields over-all reimbursement losses of 1.45 % in comparison to G-DRG 2004. Overall reimbursements include introduced additional payments for drugs and blood products. (Reimbursements resulting out of DRG payment alone drop by 14.73 % from 2004 to 2005, and increase by 3.26 % from 2005 to 2006 (2004 vs. 2006 11.95 %). Introduction of additional payments for drugs and blood products on a Germany-wide basis introduced in 2005 dampens DRG-based reimbursement losses. Despite introduction of dosage intervals specifically designed for children and adolescents in 2006, reimbursement of additional payments for drugs and blood products decrease by 21.71 % from 2005 to 2006. An important revenue-balancing function is attributed to additional charges individual for each hospital according to Par. 6 Section 2 (New diagnostic and therapeutic methods) and Section 2 a KHEntgG (German Hospital Reimbursement Law) with respect to financing tertiary care focusses. If possible to attain, those charges may partially equalize losses. Including these additional charges per individual hospital balance of summarized additional charges is -3.89 % from 2005 to 2006. However, fraction of additional payments on total reimbursements increases from 0.64 % in 2004 to 11.98 % in 2005, and 11.24 % in 2006, respectively.ConclusionsThe G-DRG system in its versions 2005 and 2006 results in lowering overall reimbursements of a pediatric hematology, oncology, and immunology department compared to initial status in 2004. The growing chargeability of additional payments ameliorate this effect.

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