Overall evaluation Benzoyl peroxide is not classifiable as to its carcinogenicity to humans (Group 3).

过甲酰对动物有致癌性的证据也是有限的。

Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as "diagnoses" or "problems".

Z99用于病历记录上之诊断问题为疾病、伤因，即A00-Y89以的情况。