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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | EMPHDXY2 |  
            | Description: | EMPHYSEMA DIAGNOSIS (>17) 14 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 573 |  
            | End: | 574 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              2 |         41,589 |  
            | -8 DK |              2 |        100,218 |  
            | -1 INAPPLICABLE |          4,804 |     77,142,809 |  
            | 1 YES |            242 |      5,750,506 |  
            | 2 NO |         11,664 |    238,574,503 |  
            | TOTAL |         16,714 |    321,609,625 |  
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