international standard diagnosis classification use in the US health care reimbursement and billing system

Describe the importance of proper coding in healthcare to ensure prompt reimbursement by answering the following questions:

1)Describe the role of finance in the healthcare system.
2)Describe the Diagnosis codes and how they are used, impacting reimbursement.
3)Describe the features of third-party payers
4)Explain the reimbursement methods used and the effects of coding on reimbursement

MINIMUM ONE REFERENCE