Penelitian ini membahas faktor-faktor yang mempengaruhi selisih tarif INACBGsdan tarif rumah sakit pada kasus rawat inap pneumonia di rumah sakit X tahun2014 dengan tujuan mengurangi defisit rumah sakit. Disain penelitian adalahkuantitatif korelasional menggunakan data sekunder dan catatan rekam medis.Hasil penelitian menunjukkan bahwa lama rawat maximal 9 hari, penggunaanmaximal 11 jenis obat dengan maximal 4 jenis obat paten tidak menimbulkanselisih negatif tarif INACBGS dan tarif rumah sakit. Defisit dapat dikurangidengan memperpendek lama rawat, meningkatkan peresepan obat generik,mengatur penggunaan obat, dan meningkatkan kualitas resume medis.Kata kunci :Selisih tarif, INACBGs, Pneumonia.

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This study concerns about factors that affect discrepancy between INACBGs andHospital Rates in pneumonia cases treated at X hospital in 2014 with the aim ofreducing hospital deficit. This study is a correlational quantitative research usingsecondary data and medical records. The results showed that maximum length ofstay of 9 days, maximum use of 11 kinds of pharmaceutical drugs with maximum4 kinds of brand name drugs do not cause hospital deficit due to discrepancy inrates. The deficit can then be reduced by shortening the length of stay, improvinggeneric drug use, regulating the use of pharmaceutical drugs, and improving thequality of medical resumes.Keywords :Rates Discrepancy, INACBGs, Pneumonia.