0.1 About the AHIMA CHDA Exam
Key Takeaways
- The current CHDA exam has 142 multiple-choice questions: 121 scored items and 21 unscored pretest items.
- AHIMA lists a 3.5-hour appointment consisting of a 5-minute candidate agreement and 3 hours 25 minutes of exam time; the passing score is 300.
- Eligibility requires an RHIT or RHIA credential, or a bachelor’s degree or higher from an accredited college or university; AHIMA recommends but does not require at least 3 years of health data experience.
- The six-domain blueprint is led by Data Analysis (22–25%) and Data Interpretation and Reporting (18–22%).
- CHDA holders recertify every 2 years with 30 CEUs, at least 80% of which must fall within the HIIM domains.
0.1 About the AHIMA CHDA Exam
Quick Answer: The Certified Health Data Analyst (CHDA®) credential is administered by the American Health Information Management Association (AHIMA). The current examination contains 142 multiple-choice questions: 121 scored and 21 unscored pretest items. AHIMA lists a 3.5-hour appointment, which includes a 5-minute candidate agreement followed by 3 hours 25 minutes of exam time. The passing score is 300.
1. What the Credential Measures
CHDA is a healthcare-specific analytics credential. It tests whether an analyst can connect a business need to appropriate data, methods, interpretation, communication, and governance. That requires more than memorizing formulas. A prepared candidate should be able to:
- distinguish clinical, administrative, claims, registry, and population-health data;
- translate a stakeholder question into a measurable goal and analysis plan;
- trace data lineage, assess quality, cleanse and transform records, and validate an analytic dataset;
- select and explain appropriate descriptive, inferential, predictive, and comparative methods;
- interpret results with their assumptions and limitations;
- communicate findings through suitable visualizations and audience-specific recommendations; and
- apply data-governance, privacy, security, and audit-control principles.
The official content outline is the controlling blueprint. Product pages, preparation books, and older web pages can lag behind it, so verify logistics and content weights against AHIMA before scheduling.
2. Current Exam Logistics
| Item | Current AHIMA specification | Candidate implication |
|---|---|---|
| Total questions | 142 multiple-choice items | Answer every item; pretest questions are not identified |
| Scored questions | 121 | These determine the reported score |
| Pretest questions | 21 | These are embedded and do not count toward the score |
| Appointment | 3 hours 30 minutes | Includes a 5-minute candidate agreement |
| Exam time | 3 hours 25 minutes | About 87 seconds per displayed item if divided evenly |
| Passing score | 300 | AHIMA does not publish a simple raw-percent conversion on the credential page |
| Delivery | Pearson VUE test center; OnVUE is offered to U.S. candidates | Confirm current technical and identification requirements before test day |
| Application window | Schedule within 120 days after authorization | An expired authorization requires a new application and fee |
| Retake | Wait 90 days, reapply, and pay again | Use the score report to target remediation |
| Fee | $259 member / $329 nonmember | Membership is not an eligibility requirement |
Because the 21 pretest items are indistinguishable, do not try to guess which questions are unscored. Treat every item as live. The score of 300 is a scaled passing standard; it should not be converted into a claimed percentage or an unsupported 100-to-400 range.
A useful pacing model is to reserve roughly 20 to 25 minutes for review. That leaves about 180 minutes for an initial pass, or approximately 76 seconds per item. Use checkpoints, but do not let one computational problem consume several items’ worth of time. Select the best answer, flag it if the testing interface permits, and return later.
3. Eligibility and Recommended Experience
AHIMA currently permits a candidate to qualify through one of these routes:
- an active RHIT credential;
- an active RHIA credential; or
- a bachelor’s degree or higher from an accredited college or university.
Professional experience is not listed as a mandatory eligibility threshold. AHIMA recommends at least three years of health data experience, with exposure to data acquisition, analysis, management, interpretation and reporting, and governance. This distinction matters: a recommendation helps candidates judge readiness, while an eligibility rule determines whether they may apply.
A candidate entering through the degree route should expect to build healthcare context deliberately. A candidate with HIM experience may instead need deeper practice in statistics, SQL, modeling, and interpretation. The credential’s breadth makes targeted preparation more effective than assigning everyone the same number of study hours.
4. Official Six-Domain Blueprint
| Domain | Weight | What the candidate must do |
|---|---|---|
| 1. Foundational Knowledge | 14–16% | Understand delivery systems, datasets, measures, classifications and terminologies, reimbursement, regulation, epidemiology/equity, informatics, analytic levels, and AI applications |
| 2. Business Needs Assessment | 11–15% | Apply project-management principles, identify stakeholders and needs, define goals and metrics, and create an analysis plan |
| 3. Data Acquisition | 14–18% | Identify sources and lineage, collect and extract data, assess quality, cleanse, transform, and validate |
| 4. Data Analysis | 22–25% | Query data, choose and explain approaches, apply methods, identify patterns and anomalies, and benchmark or risk-adjust results |
| 5. Data Interpretation and Reporting | 18–22% | Interpret findings, explain assumptions and limitations, visualize results, and communicate to the intended audience |
| 6. Data Governance | 8–10% | Apply policy life-cycle, database-design, legal, audit-log, and control concepts |
Domain 4 is the largest single domain, but Domains 4 and 5 operate as a pair: a correct calculation earns little value if it is misinterpreted or communicated without uncertainty. Likewise, acquisition and governance are not preliminary trivia. A sophisticated model built from an invalid cohort or unauthorized data is still a failed analysis.
The blueprint gives ranges rather than an exact item count per domain. Do not manufacture exact counts by multiplying 121 scored questions by a midpoint. Use the weights to prioritize study time while retaining full coverage of all 34 official tasks.
5. Application, Scheduling, and Retesting
After AHIMA approves an application, the candidate receives authorization to schedule with Pearson VUE. AHIMA’s certification FAQ states that the exam must be scheduled within 120 days. Before selecting OnVUE, check the current system test, workspace, identification, and jurisdiction rules; a test center may be the more reliable choice where connectivity or room-control requirements are difficult to satisfy.
A candidate who does not pass must wait 90 days before retesting, submit a new application, and pay the examination fee again. The waiting period is best used for diagnosis, not indiscriminate rereading. Classify each missed practice item as a knowledge gap, method-selection error, calculation error, data-interpretation error, or reading error. Then practice the weakest blueprint tasks with new scenarios.
AHIMA reported a 54% first-time test-taker pass rate for 2025. That figure describes a cohort; it does not predict an individual’s result. It does reinforce that work experience alone is not a substitute for deliberate coverage of the outline.
6. Recertification
CHDA operates on a two-year recertification cycle. A single CHDA credential requires 30 continuing education units (CEUs). Under AHIMA’s current recertification guidance, at least 80% of CEUs must be earned within the Health Information and Informatics Management (HIIM) domains. The remaining percentage may come from other approved topics under the current guide.
Do not confuse recertification documentation with the exam blueprint. “HIIM domains” is the current recertification rule; it is broader than saying every CEU must reproduce a CHDA examination task. Credential holders should retain completion evidence and check the current AHIMA recertification guide because accepted activities, reporting procedures, and fees can change.
7. A Defensible Preparation Strategy
Begin with the official outline and mark each task as new, developing, or reliable. Then use this guide in four loops:
- Learn: Read a section and work its examples without looking ahead.
- Retrieve: Explain the concept from memory and reproduce formulas or query logic.
- Apply: Solve a new healthcare scenario, including method choice and interpretation.
- Audit: Check assumptions, denominators, time windows, source lineage, and governance constraints.
For quantitative items, write the estimand and formula before inserting numbers. For regulatory or program facts, distinguish durable principles from annual specifications. For scenario questions, identify what the stakeholder is actually deciding before choosing a chart, test, or model.
On exam day, answer the question asked. Distractors often name a real standard or method that is irrelevant to the stated decision. Eliminate choices that overclaim certainty, ignore the measurement scale, use the wrong denominator, or substitute a technical solution for a governance problem.
Which statement accurately describes the current AHIMA CHDA examination appointment?
Which domain represents the single largest proportion of scored content on the AHIMA CHDA examination blueprint?
Which applicant satisfies a current AHIMA eligibility route for the CHDA examination without relying on a recommended-experience claim?