Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026

Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026

For home health professionals who are serious about validating their OASIS proficiency, the Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026, is your preparatory resource to take the HCS-O Certification Exam.

There is no better way to prepare for an AHCC certification examination than with an AHCC study guide.

The Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026, takes you through the competencies necessary to master as you prepare for the HCS-O certification exam. It delivers OASIS assessment tips and sample test questions.

This guide addresses OASIS items in the following areas:

• Patient History and Diagnoses
• Sources of Assistance
• Wounds
• Bladder and Bowel Status
• Cognitive Patterns
• Functional Status: ADLs/IADLs
• Medication reconciliation
• Pain
• Therapy
• Plan of Care
• Intervention Synopsis
• Section GG items and J items
• Risk for rehospitalization
• Mental status

Plus, the Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026, includes:

• Practice Questions — Increase your confidence level in taking the exam by testing your knowledge against HCS-O practice scenarios.
• Exam Outline — Review the concepts that will be tested on your HCS-O exam, and make sure you're familiar with all of the topics outlined.
• OASIS assessment tips — Get valuable clues to the exam questions.

This study guide is also featured in two of our AHCC credential study bundles: the HCS-O Exam Prep Bundle, 2026, and the HCS-O Exam Essentials, 2026.

Looking for more information about receiving an AHCC credential? Click here for access to the Candidate Handbook with details about  exam registration and more.

30-Day Money-Back Guarantee: If the Home Care Clinical Specialist – OASIS (HCS-O) Certification Study Guide, 2026, doesn’t provide the information you need to help you prepare for the HCS-O certification exam, return it within 30 days of receipt for a complete refund of the purchase price. No questions asked.

About AHCC Membership

The Association of Home Care Coding & Compliance serves as the premier coding and compliance community for home care, providing opportunities for education, professional growth, advocacy, and networking. Members include:

• Home Health Nurses
• Coders & Coding Managers
• Coding & OASIS Reviewers
• QA & Compliance Managers
• Therapists
• Clinical Supervisors
• Compliance Officers

Member Benefits Include:

• Resources Library — Improve your coding and compliance knowledge and accuracy with our variety of tools and our webinar archives
• AHCC CEU Quizzes — Take quizzes based on issues of our monthly newsletter to earn 16 AHCC CEUs for recertifying your HCS-D, HCS-H or HCS-O credential each year.
• Discounts in the DecisionHealth store — Save on books, webinars, conferences and more with exclusive AHCC member discounts.
• And more!

Want to learn more? Visit the AHCC website here.

Testimonial

"The Exam Study Guides are an incredible tool - not only for studying to take the initial certification exam, but they can continue to be useful reference guides for your day-to-day work by providing additional scenarios based on real world documentation and applications. They are helpful when completing self assessments for recertifications as well." — Kelly Kavanaugh, RN, HCS-D, HCS-H, HCS-O, Independent Home Health and Hospice Consultant, owner of The OTB Group, Inc.