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Help with standardizing variations of values

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I frequently get lab test results in many different formats. I want to create a macro to standardize all the different variations and thought fuzzy matching would be the best approach. But I'm having difficulty knowing how to set up the fuzzy match.

 

In the attached workflow, I have some of the variations I run into, including single-letter results, misspellings, etc. Could someone help me figure out how to set up the fuzzy matches to standardize these variations? Can anybody tell me if there's a better approach?


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