Translation guide
The English word "diagnosis" is used in medical, technical, and figurative contexts. In Japanese, the most common equivalent is 診断 (shindan), but the appropriate expression depends on the situation, including whether you are a patient receiving a diagnosis or a professional making one.
To refer to the identification of a disease or condition by a doctor, or the result of that identification.
The standard term for medical diagnosis. Can be used as a noun or with する to mean 'to diagnose'.
医者は私にインフルエンザの診断を下した。
The doctor gave me a diagnosis of influenza.
早期診断が重要です。
Early diagnosis is important.
Means 'to receive a diagnosis'. Commonly used by patients.
病院で診断を受けました。
I received a diagnosis at the hospital.
Means 'to be diagnosed' or 'a diagnosis is made', often used when the condition is finally identified.
なかなか診断がつかなかった。
It took a long time to get a diagnosis.
To state what the diagnosis is, often in conversation.
Passive form meaning 'to be diagnosed with ~'. Very common in both spoken and written Japanese.
私は糖尿病と診断されました。
I was diagnosed with diabetes.
Another way to say 'receive a diagnosis of ~'.
彼は癌の診断を受けた。
He received a diagnosis of cancer.
To refer to the analysis or identification of a non-medical problem, such as in business or technology.
Also used figuratively for diagnosing problems in systems, organizations, etc.
経営診断の結果、コスト削減が必要だと分かった。
As a result of the management diagnosis, we found that cost reduction was necessary.
Means 'analysis'. Often used when 'diagnosis' might sound too medical in English.
To refer to diagnosing one's own condition without professional help.
Literally 'self-diagnosis'. Commonly used in medical and technical contexts.
インターネットで自己診断するのは危険です。
Self-diagnosis on the internet is dangerous.
The English word 'diagnosis' is often confused with 'prognosis'. In Japanese, diagnosis is 診断 (shindan), while prognosis is 予後 (yogo). Be careful not to mix them up.
診断 is used in many compound words like 健康診断 (health checkup), 診断書 (medical certificate), and 誤診断 (misdiagnosis).
問題の分析が必要です。
We need a diagnosis of the problem.