This package serves as a comprehensive reference tool designed to standardize clinical documentation and diagnostic coding for healthcare professionals operating under the 2010 regulatory framework. The authors at Decision Health provide a structured methodology for navigating the complexities of the Oasis-C assessment instrument alongside the ICD-9 diagnostic classification system. By integrating these two critical components, the manual aims to ensure accuracy in patient data reporting and compliance with evolving billing and clinical standards.

This manual functions as a technical reference for practitioners requiring precise adherence to 2010-era medical coding standards. The content is structured for clinical utility and regulatory accuracy within the healthcare administration field.