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ICD-10 Codes: Adding letters shouldn't add problems

By Carl Natale

A basic change coming to diagnosis coding is that ICD-10 codes will be made of numerals and letters. Which means healthcare documentation and billing software will need a total rewrite.

That shouldn't be too big of an issue if your medical practice is HIPAA 5010 compliant. Because being able to handle alpha-numeric diagnosis codes is a requirement.

And don't worry if your letters are lower case or upper case. Either will be acceptable on medical claims.

This is a weekly feature that I use to highlight practical tips on how to use and understand ICD-10-CM/PCS codes. Please let me know of any other sources that I can include.