[ABSTRAK
Latar belakang penelitian ini adalah tingginya tagihan biaya obat rawat jalanjika dibandingkan dengan biaya yang ditanggung oleh BPJS dengan menganut sistemtariff INA CBG?s. Sehingga diperlukan analisis yang lebih mendalam mengenaifaktor-faktor yang mempengaruhi besaran biaya kesehatan tersebut. Penelitian inimenggunakan studi crosssectional dengan metode kuantitatif, dengan melihat faktorusia, jenis kelamin, peresepan obat, status dokter dan jaminan kesehatan sesuaidengan data sekunder yang didapat melalui data rekam medis dan tagihan biaya obatlayanan rawat jalan. Dan berdasarkan hasil penelitian, faktor yang mempengaruhibiaya obat adalah usia, jaminan kesehatan, jumlah item obat (R/), penggunaanantibiotika dan penggunaan obat generik. Sehingga guna menyikapi permasalahan iniperlu adanya clinical previllage untuk kasus rawat jalan dan kebijakan yang mengaturtentang peresepan yang rasional.

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ABSTRACT
The background of this study is the high bill outpatient drug costs when comparedwith the costs borne by BPJS by embracing INA CBG's tariff system. So, we need amore in-depth analysis of the factors that affect the amount of health care costs. Thisstudy uses a cross-sectional study with quantitative methods, by looking at factors ofage, sex, prescription drugs, doctors and health insurance status in accordance withthe secondary data obtained through medical records and bills medicine outpatientservices. And based on the results of the study, factors that affect the cost ofmedication is the age, health insurance, the number of drug items (R /), the use ofantibiotics and the use of generic drugs. So as to address these issues need for clinicalprevillage for outpatient cases and policies that govern rational prescribing, The background of this study is the high bill outpatient drug costs when comparedwith the costs borne by BPJS by embracing INA CBG's tariff system. So, we need amore in-depth analysis of the factors that affect the amount of health care costs. Thisstudy uses a cross-sectional study with quantitative methods, by looking at factors ofage, sex, prescription drugs, doctors and health insurance status in accordance withthe secondary data obtained through medical records and bills medicine outpatientservices. And based on the results of the study, factors that affect the cost ofmedication is the age, health insurance, the number of drug items (R /), the use ofantibiotics and the use of generic drugs. So as to address these issues need for clinicalprevillage for outpatient cases and policies that govern rational prescribing]