索引词Unknown or unspecified causes of morbidity、原因不明和原因未特指的疾病、不明疾病、不确定病因、诊断延迟、疾病、生病的、未诊断的、原因不明的疾病、未特指原因的疾病、疾病NOS、未诊断的疾病,未特指累及的部位或系统、损害,其他方面未特指
同义词undetermined cause、unknown cause of disease、illness、Illness NOS、sick、diagnosis deferred、undiagnosed、Unspecified cause of morbidity、Undiagnosed disease, not specified as to the site or system involved、ill-defined disease