1. ICD Revision Process: Moving Towards ICD-11
Donna L. Hoyert, Ph.D.
Mortality Statistics Branch
Division of Vital Statistics
CDC/National Center for Health Statistics
Hyattsville, Maryland

2. ICD Basics WHO: Constitutional mandate
Member countries: Obligated to use ICD
World Health Organization Family of International Classifications Network: Priorities include:
Implementing ICD
Maintaining ICD
Updating ICD

3. ICD Timeline 1990- WHA resolution on ICD-10
1994- Final ICD-10 volume published
1994- First country implemented ICD-10

4. International Implementation of ICD-10

5. Changes in ICD Basics Maintaining larger family of classifications
World Health Assembly resolution recommended establishment of updating process and continuing 10-year cycle

6. ICD Timeline (continued)
1990- WHA resolution on ICD-10
1994- Final ICD-10 volume published
1994- First country implemented ICD-10
1997- Updating processes established
1997- Mortality Reference Group formed
1999- Update and Revision Committee formed

7. Updating Process Types of updates: Updates to the classification
Clarification of application and interpretation of the classification and its associated rules
Participants:
Mortality Reference Group
Update and Revision Committee
WHO

8. Competing Considerations
1990 WHA resolution mandated 10-year revision cycle
1997 Heads of Collaborating Centers agreed that need an evaluation of the updating mechanisms for ICD-10 before considering an ICD-11

9. Ongoing ICD Revision Efforts
Evaluation of ICD-10 Implementation and Updating Process
Meetings on selected ICD-10 problem issues
Mental health
Injury and external causes
Diabetes mellitus
Cystic fibrosis
Lymphomas

10. Conclusion Consensus Initial steps ICD-10 evaluation
Problem focused meetings