2011 ICD-9-CM Coding Changes

Why This Topic Matters

The article helps readers quickly assess which types of ICD-9-CM revisions were emphasized for FY 2011 and why they mattered for inpatient coding, severity capture, and reimbursement workflows. It is useful for professionals tracking how diagnosis specificity and reporting requirements were changing during the transition period leading up to ICD-10.

Article Sections

1. Overview of FY 2011 ICD-9-CM changes

   Introduces the year’s coding updates and places them in the context of the move toward greater specificity and ICD-10 preparedness. It also frames the relationship between coding changes, severity reporting, and reimbursement.

2. Specificity updates in selected diagnosis categories

   Discusses diagnosis categories that gained additional detail in FY 2011 and highlights the types of conditions affected. The section focuses on how the revisions expand classification detail across multiple body systems and congenital anomaly categories.

3. MS-DRGs

   Covers inpatient classification changes tied to MS-DRGs, including updates affecting severity indicators and reimbursement-related reporting. It also addresses how selected diagnosis groups were adjusted for greater clinical detail.

4. Hospital-acquired conditions and present on admission reporting

   Explains how certain diagnosis changes relate to hospital-acquired condition identification and POA reporting. The section discusses the broader reimbursement implications of documentation specificity in this area.

5. The good

   Summarizes a positive claim-form reporting change for the year and its relationship to broader severity-of-illness trends. It focuses on the expansion of reported diagnosis and procedure capacity.

6. The bad

   Notes a negative reimbursement-related adjustment involving severity classification. It also references a broader trend of re-evaluating overused codes within inpatient classification systems.

7. The ugly

   Discusses disputes and uncertainty surrounding severity-based reimbursement, with attention to contested clinical concepts and payer review issues. The section emphasizes the continuing debate around documentation and classification.