ACDIS Resources – Outpatient CDI Resources


ACDIS Outpatient PRO
delivers all the decision-making information necessary to conduct medical record reviews in an easy to reference online tool!  CDI specialists rely on ACDIS Outpatient PRO as their go-to resource for trusted clinical indicators for compliant and effective physician queries, and at-a-glance, easy-to-use diagnosis and Hierarchical Condition Category (HCC) references. This is the essential resource for outpatient coding guidance, HCC updates, compliant query best practices and standards, E/M requirements, and diagnostic definitions.

The 2025 ACDIS Outpatient Pocket Guide is the essential resource for outpatient coding guidance, HCC updates, compliant query best practices and standards, E/M requirements, and diagnostic definitions. Co-written by industry veteran and former ACDIS Director Laurie Prescott, RN, MSN, CCDS, CCDS-O, CDIP, CRC and James Manz, MD, CCDS-O, a practicing physician at the Mayo Clinic who is steeped in the latest physician documentation terminology the 2025 ACDIS Outpatient Pocket Guide is a winning combination of practical, tailored CDI tips and resources and clinical, regulatory, and coding guidance adapted from the official sources.

The Outpatient CDI Specialist’s Training Guide, Second Edition, serves as a bridge between your new CDI specialists’ first day on the job and their first effective steps reviewing physician practice records. This book is the perfect resource for CDI program managers to help new outpatient CDI professionals understand their roles and responsibilities.


The CCDS-O Exam Study Guide, Second Edition, has been updated to contain all the latest information you need to sit for the CCDS-O exam with confidence. It provides targeted information regarding test objectives prepared by the CCDS-O Certification Committee, letting candidates focus their time on areas of CDI practice with which they are least familiar. Plus, the study guide comes with an online practice exam complete with remediation.