- What AHDI Actually Publishes About Scoring
- Inside the 120-Question, Three-Hour Exam
- Where Your Points Come From: Two Content Domains
- Why the Audio-Based Sections Decide Outcomes
- Eligibility, Fees, and the 180-Day Clock
- RHDS vs CHDS: How the Two Levels Differ
- Exam-Day Rules That Protect Your Score
- A Domain-Weighted Preparation Plan
- Retakes, Renewal, and Keeping the Credential
- Frequently Asked Questions
- The CHDS exam has 120 questions in three hours, mixing multiple choice, audio-based transcription, and speech-recognition editing.
- Verify the current passing standard directly with AHDI; this article does not quote a cut score it cannot source.
- Fees total $160 for AHDI members or $240 for non-members, so join AHDI before applying.
- Eligibility lasts 180 days, and a failed attempt means a four-month wait before retaking.
What AHDI Actually Publishes About Scoring
Search for "CHDS passing score" and you will find plenty of confident numbers. Be skeptical of all of them. The Certified Healthcare Documentation Specialist credential is administered by the Association for Healthcare Documentation Integrity (AHDI), and the details that AHDI's candidate materials spell out concern format, eligibility, fees, proctoring, and renewal. Those are the facts this article builds on.
The honest position for 2026 is this: before you sit for the exam, confirm the current scoring standard through AHDI's official CHDS page and candidate materials rather than relying on a figure quoted by a third-party site. Percentages circulating online are frequently borrowed from other credentials that happen to share the "CHDS" acronym, which is a real problem in this space. Several unrelated certifications use those same four letters, and their cut scores, fees, and exam structures have nothing to do with AHDI's credential.
What you can control is your command of the content and your comfort with the exam's unusual format. That is where the rest of this article focuses, because in a performance-based exam like this one, understanding how points are earned is more useful than memorizing a number.
Inside the 120-Question, Three-Hour Exam
The CHDS exam contains 120 questions to be completed in three hours. That works out to an average of 90 seconds per question, but the questions are not uniform, and that average is misleading. The exam combines three distinct item types:
- Multiple-choice questions that test knowledge of clinical content, documentation standards, and technology concepts.
- Fill-in-the-blank transcription against audio, where you listen to dictation and supply the correct text.
- Speech-recognition-text editing against audio, where you compare machine-generated text to the recording and correct it.
The second and third types are what separate this credential from a typical knowledge exam. A multiple-choice question about a drug class takes seconds if you know it. An audio item requires you to listen, interpret, and produce accurate text, which consumes real time. Budgeting those three hours across mixed item types is itself a skill you should rehearse.
| Item Type | What You Do | Primary Skill Tested |
|---|---|---|
| Multiple choice | Select the best answer | Clinical knowledge, standards, technology concepts |
| Fill-in-the-blank vs. audio | Listen and type the missing or correct text | Accurate transcription, terminology, style |
| Speech-recognition editing vs. audio | Correct machine-produced text using the recording | Error detection, editing judgment, context |
For a deeper look at how demanding this format feels in practice, see How Hard Is the CHDS Exam?
Where Your Points Come From: Two Content Domains
The exam content is organized into two domains: Clinical Medicine and Health Information Technology. Whatever the precise scoring mechanics, your result is built from performance across both, so neglecting either one is a risk. A strong transcriptionist with weak technology knowledge, or the reverse, leaves points on the table. Our complete guide to the CHDS exam domains breaks both areas down further.
Domain 1: Clinical Medicine
This is the knowledge that lets you decide what a speaker actually said when the audio is imperfect. Context from anatomy, pathophysiology, pharmacology, and procedures is what resolves ambiguous sounds.
- Medical terminology, including sound-alike terms where one wrong letter changes the meaning
- Drug names, dosages, and routes, where errors carry patient-safety consequences
- Anatomy, disease processes, diagnostic studies, and surgical procedures common to acute-care and multispecialty reports
- Report structure and the clinical logic that links history, findings, assessment, and plan
Domain 2: Health Information Technology
This domain covers the tools and environments in which documentation is created, edited, and managed, which is especially relevant given the speech-recognition editing items.
- How speech-recognition output is generated and the characteristic errors it makes
- Documentation platforms, workflows, and the role of the documentation specialist in quality review
- Standards for clinical documentation, including conventions found in the Book of Style & Standards for Clinical Documentation, fourth edition
- Privacy, accuracy, and integrity concerns that affect how records are handled
The two domains reinforce each other. Recognizing that a speech engine rendered a drug name as a similar-sounding common word requires both pharmacology knowledge and an understanding of how recognition errors behave.
Why the Audio-Based Sections Decide Outcomes
Candidates who fail a performance-based exam rarely fail because they do not know the material in the abstract. They fail because the exam interface, time pressure, and audio quality expose gaps that untimed study never revealed. The CHDS audio items are a clear example.
Practice with the exam's own controls
AHDI advises candidates to practice using the exam's on-screen audio controls. This is easy to overlook. If you have spent years working with a foot pedal and hotkeys, clicking on-screen play, pause, and rewind buttons will feel slower and clumsier. Foot pedals are prohibited during the exam, so the muscle memory that serves you at work does not transfer. Build time into your preparation to work with on-screen controls specifically, so that navigating the audio is automatic by exam day. Our dedicated approach to CHDS audio practice and practice tests is designed around exactly this problem.
Editing is not the same as transcribing
Speech-recognition editing demands a different mindset than transcription from scratch. You are reading text that looks plausible and checking it against audio. The danger is that fluent but wrong text can pass a casual read. The most dangerous errors are the ones that form real words: a recognition engine will cheerfully produce a grammatically valid sentence that contradicts what the physician said. Train yourself to listen first, read second, and distrust text that merely looks reasonable.
Eligibility, Fees, and the 180-Day Clock
The passing score only matters if you reach the exam, and getting there involves a defined sequence. Full details are in our CHDS requirements guide, but the essentials follow.
Fee structure
Fees are paid in USD. There is a $10 eligibility processing fee, followed by the exam fee: $150 for eligible AHDI members or $230 for non-members. The calculated totals are therefore $160 for members and $240 for non-members, before any prior-credential costs or optional preparation expenses.
| Cost Component | Member | Non-Member |
|---|---|---|
| Eligibility processing | $10 | $10 |
| Exam fee | $150 | $230 |
| Calculated total | $160 | $240 |
One sequencing detail saves money: join AHDI before applying for eligibility to receive member pricing. Joining afterward does not retroactively lower your fee. See the full CHDS certification cost breakdown for how membership, prior credentials, and preparation materials fit together.
The 180-day window
Once you are deemed eligible, eligibility lasts 180 days. That is your window to schedule and sit for the exam. Treat it as a hard deadline when building a study calendar, and avoid applying for eligibility until your preparation is far enough along that you can realistically test within the window. For scheduling logistics, see CHDS exam dates and deadlines.
RHDS vs CHDS: How the Two Levels Differ
CHDS is the credential name, and Level 2 describes the advanced competency level. The Registered Healthcare Documentation Specialist (RHDS) is the usual prerequisite, which positions CHDS as the next step up rather than an alternative entry point.
| Aspect | RHDS | CHDS |
|---|---|---|
| Level | Entry/foundational credential | Advanced (Level 2) credential |
| Relationship | Usual prerequisite for CHDS | Builds on RHDS |
| Target experience | Early-career documentation specialists | At least two years of acute-care or multispecialty-equivalent experience |
| Certifying body | AHDI | AHDI |
There are defined routes around the RHDS requirement. Current CMT holders may bypass it, and eligible former CMT/CHDS holders whose credential expired within six years may also bypass RHDS. If you are in one of those situations, confirm your status with AHDI before assuming either way. If you are comparing the two credentials to decide where to invest, the ROI analysis for CHDS and our CHDS salary guide lay out the career case, and CHDS jobs covers where the credential is recognized by employers.
Exam-Day Rules That Protect Your Score
Several rules around the testing environment can cost you if you are unprepared. The exam is delivered through online proctoring by Examroom.ai and requires Google Chrome. Know the technical requirements in advance and test your setup well before exam day.
- Closed book. No reference materials of any kind during the exam.
- Headsets are permitted. Bring a reliable one and confirm it works with your system.
- Prohibited items: reference aids, calculators, scratch paper, and foot pedals.
- Accommodations must be requested at least 30 days ahead, so do not leave this until the week of your exam.
Key Takeaway
The no-scratch-paper rule means you cannot jot down a tricky term while you listen. Practice holding a phrase in working memory long enough to type it, and rehearse under the same restrictions you will face on exam day.
A Domain-Weighted Preparation Plan
Because the exam spans two domains and three item types, a good plan alternates between knowledge building and timed audio work rather than doing all of one before the other. The timeline below is a sample structure; stretch or compress it to fit your 180-day eligibility window. For a broader approach, see the CHDS study guide and the one-page CHDS cheat sheet for final review.
Standards and style foundation
- Work through the Book of Style & Standards for Clinical Documentation, fourth edition, since standards underpin both audio item types
- Identify your weakest clinical areas using a baseline practice test
Clinical Medicine depth
- Drill terminology, pharmacology, and anatomy in the specialties where you have least exposure
- Focus on sound-alike terms and high-risk errors such as laterality and dosage
Health Information Technology and editing
- Study speech-recognition error patterns and the editing role
- Practice correcting machine drafts against audio using on-screen controls only
Full-length timed simulation
- Complete 120-question, three-hour practice runs under closed-book conditions
- Review misses by domain and item type, then target the gaps
The reasoning behind this order is that standards knowledge feeds everything else, clinical depth takes the longest to build, and technology and editing skills improve fastest once your terminology base is solid. Reserve the final stretch for timed simulations, since stamina and pacing across three hours is a genuine factor.
Retakes, Renewal, and Keeping the Credential
If you do not pass, there is a four-month waiting period before you can retake the exam. That delay is a strong argument for taking readiness seriously the first time; our study guide is built around first-attempt success.
Once certified, the credential is maintained through renewal every three years. Renewal requires 30 continuing education credits (CECs) distributed across categories:
| Category | CECs Required |
|---|---|
| Clinical Medicine | 8 |
| Medicolegal Issues | 4 |
| Technology and Tools | 8 |
| Professional Development | 6 |
| Core categories and/or Complementary Medicine | 4 |
| Total | 30 |
Renewal costs $75 for members or $105 for non-members. AHDI has also announced that a requirement for 40% of CECs to come from AHDI-sponsored activities takes effect January 1, 2028, so if your renewal cycle will extend past that date, plan your credits accordingly.
Frequently Asked Questions
This article does not quote a specific cut score because it cannot be sourced from AHDI's published candidate materials used here. Confirm the current scoring standard directly with AHDI before you test, and be wary of third-party figures that do not cite AHDI.
The exam has 120 questions to be completed in three hours. It combines multiple-choice items, fill-in-the-blank transcription against audio, and speech-recognition-text editing against audio.
There is a $10 eligibility processing fee plus $150 for eligible members or $230 for non-members, for calculated totals of $160 (members) or $240 (non-members). Join AHDI before applying for eligibility to get member pricing.
No. Foot pedals, scratch paper, calculators, and reference aids are prohibited, though headsets are permitted. Practice with the exam's on-screen audio controls so you are comfortable without a pedal.
The retake waiting period is four months. Eligibility itself lasts 180 days once granted, so plan your timeline with both limits in mind.