ICD diagnosis codes can be found on the official 'ICD data' webpage. There is a list of codes for the International Statistical Classifications of Diseases there.

Wikipedia, ICD 9 codes online and ICD 9 coding websites all have free ICD 9 codes online. The CDC website also has information regarding ICD 9 codes.

The DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, 4th Edition) and ICD-10 (International Classification of Diseases, 10th Edition) are both classification systems used to diagnose mental health disorders. DSM-IV is more focused on mental health and provides detailed criteria for diagnosing specific disorders, while ICD-10 is a broader classification system used for all diseases worldwide. Additionally, DSM-IV is used primarily in the United States, while ICD-10 is used internationally for coding and billing purposes.

There are approximately 17,000 ICD-9 diagnosis codes.

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