This guide breaks down how to properly assign the principal diagnosis using both coding rules and medical necessity standards. Learn how to avoid common sequencing errors, understand causal documentation like “due to,” protect your organization from denials, and improve quality measure performance — all through stronger clinical documentation and coding alignment. Read More… About Br... https://www.bristolhcs.com/blog/blog-detail/principal-diagnosis-precision-how-clinically-defensible-coding-protects-revenue-and-quality