Create a 2 - 3 page paper addressing and response the following:
• Describe the history of the ICD-9-CM.
• What is an inpatient?
• What is a principal diagnosis?
• Describe the CPT.
• What symbols are located throughout the CPT, and what do they identify?
• What are HCPCS Codes?
• What is the definition of Medical necessity? What is its importance to claim reimbursement?
Web Resources:
https://www.cdc.gov/nchs/icd9.htm
https://www.ama-assn.org/ama/pub/physician-resources/solutions-managing-your-practice/coding-billing-insurance/cpt.shtml