1. Salesforce Health Cloud Developer Guide: Set Up Integrated Care Management. This document explicitly states, "Integrated Care Management uses the Care Plan standard object to represent care plans." It also details the setup process, showing the setting is named "Integrated Care Management."
2. Salesforce Health Cloud Developer Guide: Assessments in Integrated Care Management. This section confirms, "Assessments in Integrated Care Management are powered by Discovery Framework and OmniStudio." It describes how these tools are used to gather information to add to a care plan.
3. Salesforce Health Cloud Developer Guide: Migrate from Legacy to Integrated Care Management. This guide clarifies the need for migration: "The legacy care plan model is built on the Case object, while Integrated Care Management uses the Care Plan standard object. Because of this difference in data models, you must migrate your legacy care plan data to the new data model." This directly refutes the claim in option A.