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The Principles of the Principal Diagnosis

Presenter Heather Greene, CPC, CDEI, CDEO, CIC, CPMA, CRC, RCMS, Approved-Instructor
Broadcast Date 12/3/2025
Time 10:00am PT / 11:00am MT / 12:00pm CT / 1:00pm ET
Presentation Length 60 minutes
Price $65 (Non-members $85)
The Principles of the Principal Diagnosis Webinar

Learn more about this event

This presentation will provide a comprehensive overview of the ICD-10-CM guidelines for determining the principal diagnosis in the inpatient setting. Together, we will walk through several real-life cases to illustrate the application of these guidelines. By the end of the session, attendees will have a solid understanding of the importance of the principal diagnosis and be able to confidently apply the guidelines in their coding practice.

Learning Objectives/Agenda

• Understand the Official Definition and Application of the Principal Diagnosis (PDX)
• Apply Coding Conventions That Take Precedence in PDX Selection
• Determine the Correct PDX When Multiple Conditions Meet the Definition
• Correctly Sequence the PDX in Special Circumstances (COVID-19, Sepsis, Respiratory Conditions, Rehabilitation, and Complications)
• Analyze Real Case Studies to Apply PDX Selection Principles Accurately

Why is this topic important?

Selecting the correct Principal Diagnosis (PDX) is one of the most critical responsibilities in inpatient coding. It directly impacts hospital reimbursement, quality reporting, case-mix index (CMI), severity of illness (SOI), and risk of mortality (ROM). When the PDX is selected incorrectly, it can lead to significant downstream effects—financial loss, claim denials, inaccurate quality metrics, and compliance risk.

Who would benefit from this topic?

• Coders
• Clinical Documentation Specialists
• Practitioners
• HIM Managers
• Auditors

What is the presenter's background/expertise on this topic?

Heather Greene has nearly 20 years of experience in a variety of health information management roles, including a coding instructor and an HIM manager. She is a frequent speaker/author on HIM topics for various organizations, such as the AAPC. Heather has a B.S. in health information management and an MBA.

Heather Greene, CPC, CDEI, CDEO, CIC, CPMA, CRC, RCMS, Approved-Instructor

About The Author

Heather Greene, CPC, CDEI, CDEO, CIC, CPMA, CRC, RCMS, Approved-Instructor

Heather Greene has nearly 20 years of experience in a variety of health information management roles, including a coding instructor and an HIM manager. She is a frequent speaker/author on HIM topics for various organizations, such as the AAPC. Heather has a B.S. in health information management and an MBA.

Two ways to register for this event

Two ways to register for this event
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