| E720 | 시스틴요증 | Cystinuria |
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| E720 | 판코니(-드토니)(-드브레) 증후군 | Fanconi (-de Toni)(-Debre) syndrome |
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| E720 | 하르트누프병 | Hartnup's disease |
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| E720 | 로베증후군 | Lowe's syndrome |
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| E721 | 유황함유아미노산대사장애 | Disorder of sulfur-bearing amino-acid metabolism |
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| E721 | 시스타타이오닌뇨증 | Cystathioninuria |
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| E721 | 호모시스틴뇨증 | Homocystinuria |
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| E721 | 메타이오닌혈증 | Methioninaemia |
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| E721 | 아황산염산화효소결핍 | Sulfite oxidase deficiency |
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| E722 | 요소회로대사장애 | Disorders of urea cycle metabolism |
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| E722 | 아르지닌혈증 | Argininemia |
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| E722 | 아르지닌숙신산뇨 | Argininosuccinic aciduria |
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| E722 | 시트룰린혈증 | Citrullinaemia |
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| E722 | 고암모니아혈증 | Hyperammonaemia |
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| E723 | 라이신 및 하이드록시라이신 대사장애 | Disorders of lysine and hydroxylysine metabolism |
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| E723 | 글루타르산뇨 | Glutaric aciduria |
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| E723 | 하이드록시라이신혈증 | Hydroxylysinaemia |
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| E723 | 고라이신혈증 | Hyperlysinaemia |
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| E724 | 오니틴대사장애 | Disorders of ornithine metabolism(E72.4) |
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| E724 | 오니틴혈증(Ⅰ,Ⅱ형) | Ornithinaemia( type Ⅰ,Ⅱ) |
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