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What do subcategories provide in ICD-9-CM coding?

  1. General information

  2. Greater specificity

  3. Medical history

  4. Treatment options

The correct answer is: Greater specificity

Subcategories provide greater specificity in ICD-9-CM coding, allowing for a more detailed description of a patient's condition or diagnosis. Option A, general information, is too broad and does not specify enough detail for accurate coding. Option C, medical history, is not relevant to the current condition or diagnosis being coded. Option D, treatment options, is also not relevant as it pertains to the treatment plan rather than the specific coding of a condition.