 ACDIS provides the Certified Clinical Documentation Specialist (CCDS) and CCDS-Outpatient (CCDS-O) certifications, CDI boot camps, online learning, books, and webinars.The Association for Integrity in Health Care Documentation (AIHCD) offers a C-CDI certification.The American Health Information Management Association (AHIMA), which also offers the certified documentation improvement professional (CDIP) credential.