RAF Score Calculator
RAF Score Calculator to accurately calculate patient risk scores based on medical conditions, demographics, and other factors for healthcare providers and payers.
1. What is RAF?
Risk Adjustment Factor (RAF) is a scoring system used to predict healthcare costs based on patient health status. RAF scores are crucial in adjusting payments in value-based care models. By evaluating demographic and diagnostic information, RAF helps ensure fair reimbursement for healthcare providers. Understanding RAF is key for accurate medical billing and coding.
2. Importance of RAF
RAF scores play a vital role in healthcare reimbursement by reflecting the predicted cost of care for patients with chronic conditions. Accurate RAF scoring helps ensure providers receive appropriate compensation for managing higher-risk patients. This system also promotes comprehensive patient care, encouraging providers to document all relevant diagnoses accurately.
3. How to Use RAF
To use RAF effectively, healthcare professionals should document all diagnoses comprehensively and ensure coding accuracy. RAF scores are calculated based on ICD-10-CM codes linked to patient conditions. By regularly updating patient records and using specialized tools to check RAF scores, providers can optimize reimbursement and improve care management.
4. Difference Between V24 and V28
CMS-HCC Category V24 and V28 represent different versions of the risk adjustment model used to calculate RAF scores. V28 is the latest update, reflecting changes in disease categorization and risk factors. Understanding the differences between V24 and V28 helps healthcare professionals stay current with coding standards and ensures accurate RAF score calculations.
5. Impact of V24 and V28
The transition from V24 to V28 in RAF scoring can significantly impact healthcare reimbursements. V28 includes updated disease categories and risk factors, leading to changes in how RAF scores are calculated. Providers must adapt to these updates to maintain accurate billing and ensure fair compensation for patient care.

RAF Score Calculator
Easily identify hierarchical condition category (HCC) assignments with our Risk Adjustment Search Tool. Simply input the ICD-10-CM code or diagnosis to receive results across two models: CMS-HCC Category and CMS-HCC-V28.
View detailed diagnosis descriptions and corresponding scores, including Demo Score, Disease Score, Raw Risk Score, Normalized Risk Score, and MA-CP Adjusted Risk Score.
RAF Score Calculator - FAQs
The Risk Adjustment Factor (RAF) is a numerical value used by CMS (Centers for Medicare & Medicaid Services) to predict the future healthcare costs of a patient enrolled in a Medicare Advantage plan.
Key Characteristics:
RAF Score Range: Typically between 0.3 to 3.0, where 1.0 is considered average risk.
Influences Payment: Higher RAF = higher expected cost = higher plan reimbursement.
Based On: Diagnosis codes, demographic data, and health status documentation.
RAF is critical in a value-based care model, aligning payment more closely with patient complexity.
RAF scores aren’t just bureaucratic metrics—they directly influence care delivery and reimbursement:
Provider Payments: Ensure fair compensation based on patient risk.
Plan Benchmarking: Help health plans compare enrollees.
Coding Accuracy: Encourages thorough and accurate documentation of chronic conditions.
To use RAF effectively, healthcare professionals must thoroughly document all patient diagnoses and maintain high coding accuracy. RAF scores are determined using ICD-10-CM codes associated with a patient’s medical conditions. By consistently updating patient records and leveraging specialized RAF calculation tools, providers can maximize reimbursement, ensure compliance, and enhance care coordination and management.
CMS-HCC Categories V24 vs. V28 represent different versions of the risk adjustment model used to calculate Risk Adjustment Factor (RAF) scores. V28, the most recent update, introduces significant changes in disease categorization, HCC groupings, and risk scoring methodologies. Understanding the key differences between V24 and V28 is essential for healthcare professionals to stay compliant with current CMS coding standards and to ensure accurate RAF score calculations for optimal reimbursement.
The transition from CMS-HCC V24 to V28 in RAF scoring can have a significant impact on healthcare reimbursements. Version 28 (V28) introduces updated disease categories, revised risk factors, and a new structure for Hierarchical Condition Categories (HCCs), all of which affect how RAF scores are calculated. To ensure accurate billing and receive fair compensation for patient care, healthcare providers must quickly adapt to these changes and align with the latest CMS risk adjustment guidelines.
Under-coding chronic conditions
Not using most recent data
Skipping demographic inputs
Missing deleted/inactive HCCs
Even small errors can trigger CMS audits or revenue loss.
RAF stands for Risk Adjustment Factor, used to assess a patient’s future healthcare costs.

RAF Score Calculator
Easily identify hierarchical condition category (HCC) assignments with our Risk Adjustment Search Tool. Simply input the ICD-10-CM code or diagnosis to receive results across two models: CMS-HCC Category and CMS-HCC-V28.
View detailed diagnosis descriptions and corresponding scores, including Demo Score, Disease Score, Raw Risk Score, Normalized Risk Score, and MA-CP Adjusted Risk Score.