Health Insurance 101

(including Terminologies)

copayment
coinsurance
premium
deductible
overview of medical service in Japan
cost-sharing
health plan

https://www.healthcare.gov/glossary/co-payment/
https://www.healthcare.gov/glossary/premium/
https://www.healthcare.gov/glossary/
https://www.investopedia.com/ask/answers/051415/what-difference-between-copay-and-deductible.asp
https://www.investopedia.com/articles/insurance/120816/coinsurance-vs-copay-why-you-need-know-difference.asp
https://www.mhlw.go.jp/bunya/iryouhoken/iryouhoken01/dl/01_eng.pdf
https://www.bag.admin.ch/bag/en/home/versicherungen/krankenversicherung/krankenversicherung-versicherte-mit-wohnsitz-in-der-schweiz/praemien-kostenbeteiligung.html
https://www.aetna.com/health-guide/explaining-premiums-deductibles-coinsurance-and-copays.html
https://www.investopedia.com/terms/c/copay.asp
https://www.goodrx.com/insurance/health-insurance/health-insurance-premiums-deductibles-copays-co-insurance