HCCs: What Are They... And What Do They Mean?

Why This Topic Matters

Understanding HCC-based risk adjustment helps organizations recognize why chronic condition documentation and diagnosis capture matter in Medicare Advantage settings. The article also provides context for how payment models, chart documentation, and reporting practices fit together.

Article Sections

1. What does a standard Medicare Plan Pay For?

   Introduces the parts of Medicare and the types of services generally associated with each part.

2. What is Medicare Advantage?

   Describes Medicare Advantage as a Medicare option, its relationship to CMS, and the general idea of how plan payments are determined.

3. There are 3 Types of Medicare Advantage Plans:

   Summarizes the main Medicare Advantage plan types and how access to providers differs among them.

4. The History of HCC:

   Covers the development of HCC-based payment concepts and the shift away from earlier demographic-only approaches.

5. What is a Hierarchical Condition Category?

   Explains the general relationship between diagnosis mapping and HCC groupings in the context of Medicare Advantage risk adjustment.

6. CMS HCC Model Principles:

   Lists broad principles used in CMS HCC model design and how those principles relate to diagnosis classification and payment adjustment.

7. Examples of HCC Categories and Code Mapping:

   Provides an example of diagnosis mapping into an HCC category.

8. What is an RAF Score?

   Introduces risk adjustment scoring and its role in Medicare Advantage payment concepts.

9. Characteristics of a CMS-HCC Model:

   Describes general features of the CMS-HCC approach, including how the model uses prior-year information and demographic adjustments.

10. Medical Record Requirements:

    Reviews documentation elements that should be present in the medical record for CMS-HCC reporting.

11. Additional Coding Guidelines for Reporting HCCs:

    Summarizes ongoing documentation and reporting expectations for chronic conditions in an HCC context.

12. Quality Coding of Medical Records:

    Discusses common documentation and history-code issues that can affect coding quality in medical records.

13. Outpatient Coding Guidelines:

    Touches on outpatient reporting conventions and the treatment of uncertain diagnoses under ICD-9-CM guidance.

14. Documentation and Understanding the HCC Models are the Key:

    Emphasizes the importance of accurate documentation and understanding HCC models for chronic condition reporting.