CHDA Domain 1: Data Analysis (22-25%) - Complete Study Guide 2026
Domain 1: Data Analysis represents the largest content area on the CHDA exam, accounting for 22-25% of all scored questions.
CHDA Domain Deep Dives
Domain Deep Dives for the Certified Health Data Analyst (CHDA) exam - 7 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CHDA Domain 2: Data Interpretation and Reporting (18-22%) - Complete Study Guide 2026
Domain 2 of the CHDA exam represents 18-22% of the total test content, making it the second-largest domain after Data Analysis.
CHDA Domain 3: Data Acquisition (14-18%) - Complete Study Guide 2026
Domain 3: Data Acquisition represents 14-18% of the CHDA exam, making it one of the six critical knowledge areas you must master.
CHDA Domain 4: Foundational Knowledge of Analytics in Healthcare (14-16%) - Complete Study Guide 2026
Domain 4 of the CHDA exam focuses on the fundamental concepts that every health data analyst must understand to excel in their role.
CHDA Domain 5: Business Needs Assessment (11-15%) - Complete Study Guide 2026
Domain 5: Business Needs Assessment represents 11-15% of the CHDA examination, making it a significant component of your overall success.
CHDA Domain 6: Data Governance (8-10%) - Complete Study Guide 2026
Domain 6: Data Governance represents 8-10% of the CHDA exam, translating to approximately 10-12 questions out of the 121 scored items.
CHDA Exam Domains 2026: Complete Guide to All 7 Content Areas
Understanding the CHDA exam domains is the foundation of effective exam preparation.
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