adj.未确诊的；尚未找出原因的
Narcolepsy is often misdiagnosed or undiagnosed. 嗜睡症经常会被误诊或者未被确诊的。
Another 15% reported undiagnosed symptomatic lower leg swelling. 还有15%25的被调查者报告有未知原因的症状性下肢肿胀。
But no one knows for sure, because LQTS often goes undiagnosed. 但这只是大概的比例，因为很多LQTS经常不能确诊。
The 11-year-old was suffering from undiagnosed diabetes. 参考翻译：这名11岁的小女孩患有未诊断出的糖尿病。
Objective To assess the value of thoracoscopy in undiagnosed pleural effussion. 目的评价胸腔镜检查对疑难性胸腔积液(胸液)的诊断价值。
She gave up dancing at 26 when she learned she had been struggling with the effects of undiagnosed childhood polio12. 直到26岁，当得知她一直与之抗争的病是童年时未经确诊的小儿麻痹症后遗症时，她才不得不告别舞蹈生涯。
