Final answer:
The national information resource used to estimate the regional cost of treating a patient is the Healthcare Cost and Utilization Project (HCUP), which is part of the Agency for Healthcare Research and Quality (AHRQ). HCUP provides comprehensive data on healthcare utilization, costs, and outcomes that can be used to analyze regional healthcare costs and inform decision-making.
Step-by-step explanation:
The national information resource used to estimate the regional cost of treating a patient is the Healthcare Cost and Utilization Project (HCUP)
HCUP is a project of the Agency for Healthcare Research and Quality (AHRQ) and provides comprehensive data on healthcare utilization, costs, and outcomes.
HCUP data can be used to analyze regional healthcare costs and inform healthcare policy and decision-making.