Every day physicians place in the medical record their impressions, diagnoses, or reasons for patient encounters. One patient may have had a cold, another an ear infection, while a third just may need counseling about a child’s behavior. This information must be translated into a common language for billing and statistical tracking. That is where the International Classification of Diseases, Ninth Edition, Clinical Modification (ICD-9-CM) comes in. ICD-9-CM allows for the categorization and statistical collection of information about diseases and injuries in the United States. See Table 1 for a list of codes that affect pediatrics.

Based on the World Health Organization Manual of the International Statistical Classification of Diseases, Injuries, and Causes of Death, Ninth Revision, ICD-9-CM allows for tracking and communicating health care information between health care providers and those with whom they work. The diagnosis portion of the system is maintained by the National Center for Health...

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