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How often is ICD-9-CM updated with changes?

  1. Every month

  2. Bi-annually

  3. Every October 1

  4. Every July 4

The correct answer is: Every October 1

ICD-9-CM is typically updated with changes every October 1. This regular update schedule ensures that healthcare providers are using the most current and accurate codes for medical diagnoses and procedures. Option A is incorrect because the updates are not done every month. Option B is incorrect as the updates are not done bi-annually. Option D is incorrect as the updates are not done every July 4.