Certified Documentation Expert Inpatient (CDEI®)
Build your future in inpatient clinical documentation improvement with the CDEI certification.What is a Certified Documentation Expert Inpatient?
The CDEI credential validates a medical coder’s advanced expertise in clinical documentation improvement (CDI) for the inpatient setting. Earning the CDEI demonstrates proficiency in reviewing provider documentation to ensure completeness, accuracy, and compliance with ICD-10-CM, ICD-10-PCS, and MS-DRG assignment, as well as payer and regulatory requirements.
This certification is ideal for coders and auditors who want to move beyond code assignment into documentation analysis and improvement within hospitals and inpatient facilities. CDEI-certified professionals are equipped to identify documentation gaps, query providers, and strengthen the link between clinical care, coded data, and accurate reimbursement.
Why earn the CDEI certification?
Stand out with a core credential focused on documentation integrity in inpatient care
Validate your ability to ensure complete, accurate documentation that supports MS-DRG assignment and risk adjustment
Gain deeper knowledge of CDI best practices, compliance rules, and payer-specific requirements for inpatient services
Position yourself for career growth in inpatient coding, auditing, compliance, and CDI leadership
What does the CDEI cover?
The CDEI credential proves you are skilled in:
Core documentation review
Assessing inpatient records for completeness, specificity, and consistency
Identifying gaps or missing elements that impact code assignment and MS-DRG outcomes
Querying providers effectively to resolve documentation deficiencies
Inpatient coding and compliance
Linking provider documentation to ICD-10-CM and ICD-10-PCS coding
Ensuring accuracy in MS-DRG assignment and severity of illness/risk of mortality (SOI/ROM) indicators
Applying compliance guidelines, including payer policies and federal regulations
Clinical documentation improvement practices
Supporting medical necessity, quality reporting, and accurate reimbursement through improved documentation
Aligning inpatient CDI with coding guidelines, audit readiness, and compliance initiatives
Understanding the role of documentation in hospital performance metrics and value-based care
Provider communication and education
Collaborating with providers to improve documentation clarity and specificity
Educating clinicians on best practices for inpatient documentation
Strengthening relationships between coding, CDI, compliance, and clinical teams
Who should earn the CDEI?
Professional coders working in hospitals or inpatient facilities who want to move into CDI roles
Auditors and compliance professionals focused on inpatient documentation and MS-DRG accuracy
Clinical documentation improvement specialists seeking formal validation of their skills
Experienced inpatient coders ready to expand into documentation improvement and CDI leadership
Experience requirements
Must be able to demonstrate an understanding of the proper application of ICD-10-CM, ICD-10-PCS, and quality measures. Examinees must also demonstrate knowledge of proper query procedures and effective communication for documentation improvement.
Clinical documentation improvement involves compliance to documentation requirements and effective communication with providers to improve documentation. CDEI candidates should undergo certification training and/or have experience in clinical documentation improvement.
Please be aware that this is a difficult, high-level examination and not intended for individuals with limited clinical documentation improvement background.
Maintaining your certification
To maintain your credential, you must maintain your AAPC annual membership, and earn 36 continuing education units (CEUs) every two years.
Move up in your career with the CDEI.
Becoming a CDEI-certified professional demonstrates your commitment to documentation integrity and compliance in one of the most complex areas of healthcare. This credential shows your ability to improve inpatient documentation, ensure accurate MS-DRG assignment, and support quality reporting. Whether you want to advance your career, transition into CDI leadership, or strengthen your organization’s reimbursement accuracy, the CDEI is your pathway to professional growth and recognition in inpatient documentation.
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