ACDIS CCDS-O Exam Details & Actual Exam Questions
- Exam Code/Number: CCDS-O
- Exam Name/Title: Certified Clinical Documentation Specialist-Outpatient
- Certification Provider: ACDIS
- Corresponding Certification: Clinical Documentation Specialist
- Exam Questions: 137
- Updated On: Jun,28 2026
- Certification Level: Specialist
ACDIS Certified Clinical Documentation Specialist-Outpatient Exam Questions
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(21 Up Votes)ACDIS CCDS-O Exam Overview:
| Certification Vendor: | ACDIS |
| Exam Name: | Certified Clinical Documentation Specialist-Outpatient (CCDS-O) Exam |
| Exam Number: | CCDS-O |
| Real Exam Qty: | 140 (120 scored, 20 unscored) |
| Certificate Validity Period: | 2 years |
| Exam Price: | $280 (ACDIS members), $380 (non-members), +$100 international fee |
| Available Languages: | English |
| Related Certifications: | Certified Clinical Documentation Specialist (CCDS) |
| Exam Format: | Multiple-choice questions, Computer-based, Remotely proctored or test center delivery |
| Passing Score: | 85 out of 120 scored questions |
| Exam Duration: | 150 minutes |
| Sample Questions: | ACDIS CCDS-O Sample Questions |
| Exam Way: | Computer-based testing at Prometric centers or remote proctoring via ProProctor |
| Pre Condition: | RN, MD, DO, or HIM/coding certification (RHIA, RHIT, CCS, CPC, CRC, COC) + 2 years outpatient CDI experience; OR 1 year outpatient + 1 year inpatient CDI experience; minimum 2,000 hours per year |
| Official Syllabus URL: | https://acdis.org/certification/ccds-o |
ACDIS CCDS-O Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| CDI Program Concepts, Queries, and Quality | 20% | - Problem list maintenance, provider education, and program operations - Compliant query development: principles, structure, and non-leading language - Regulatory compliance: HIPAA, OIG work plan, confidentiality - CDI metrics: query rates, capture rates, quality scores, denial prevention |
| Clinical Conditions, Pathophysiology, and Chart Review | 20% | - Differentiating acute vs chronic, active vs historical conditions - Clinical indicators, diagnostic tests, medications, and documentation triggers - Disease processes across all body systems and documentation relevance |
| Healthcare Regulations, Reimbursement, and Documentation Requirements | 35% | - Outpatient Prospective Payment System (OPPS) and Ambulatory Payment Classifications (APCs) - Official Guidelines for Coding and Reporting (OCG) for ICD-10-CM
- Alternative payment models: ACO, MSSP, MACRA/MIPS |
| Risk Adjustment Models and Documentation Impact | 25% | - Hierarchies, disease interactions, and compliant HCC reporting - Medicare Advantage payment structure and documentation requirements - CMS-HCC model fundamentals and RAF scoring - RADV audit concepts and documentation compliance |
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