3 ways ICD-10-CM crosswalks can cause problems with your diagnosis coding
Be careful if you plan to rely on mapping tools to select the correct ICD-10-CM codes as part of your transition to the new code set. Not only do these tools, such as General Equivalency Mappings (GEMs), not offer the full range of ICD-10-CM codes available that could crosswalk from the ICD-9-CM code, but also the only choices you’re offered may be incorrect choices based on the physician’s documentation.
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