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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-229E CODEBOOK |  
            | 2021 EMERGENCY ROOM VISITS |  
            | DATE:       May 9, 2023 |  
 
          
            | Variable Name: | PID |  
            | Description: | PERSON NUMBER |  
            | Format: | 3.0 |  
            | Type: | NUM |  
            | Start: | 8 |  
            | End: | 10 |  
 
        
          
            |  |  |  |  
            | VALID ID | 5,444 | 55,666,382 |  
            | TOTAL | 5,444 | 55,666,382 |  
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