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Table Of Contents
Mastering Tableau 2026 - Fifth Edition
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The United States government provides helpful documentation for various bureaucratic processes. For example, the Department of Health and Human Services (HSS) provides lists of ICD-9 codes, otherwise known as International Statistical Classification of Diseases and Related Health Problems codes. Unfortunately, these codes are not always in easily accessible formats.
As an example, let's consider an actual HHS document known as R756OTN, which can be found at https://www.cms.gov/Regulations-and-Guidance/Guidance/Transmittals/downloads/R756OTN.pdf.
Navigate to the Cleaning the Data worksheet in this workbook and execute the following steps:

Figure 2.9: Selecting the raw file

Figure 2.10: Adding Diagnosis to Rows