insurance identification certificate
被保険者証をお持ちですか。
Do you have your insurance ID certificate?
新入社員には被保険者証が発行されます。
New employees will be issued an insurance ID certificate.
被保険者証を忘れたため、医療費は全額自己負担でした。
Because I forgot my insurance ID certificate, the medical expenses were fully out-of-pocket.