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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-229E CODEBOOK |  
            | 2021 EMERGENCY ROOM VISITS |  
            | DATE:       May 9, 2023 |  
 
          
            | Variable Name: | ERHEVIDX |  
            | Description: | EVENT ID FOR CORRESPONDING HOSPITAL STAY |  
            | Format: | 16.0 |  
            | Type: | CHAR |  
            | Start: | 38 |  
            | End: | 53 |  
 
        
          
            |  |  |  |  
            | -1 INAPPLICABLE | 4,299 | 44,629,840 |  
            | VALID ID | 1,145 | 11,036,542 |  
            | TOTAL | 5,444 | 55,666,382 |  
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