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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-144F CODEBOOK |  
            | 2011 OUTPATIENT DEPARTMENT VISITS |  
            | DATE:     June 11, 2013 |  
 
          
            | Variable Name: | OPPRO1X |  
            | Description: | 2-DIGIT ICD-9-CM PROCEDURE CODE |  
            | Format: | 2.0 |  
            | Type: | CHAR |  
            | Start: | 125 |  
            | End: | 126 |  
 
        
          
            |  |  |  |  
            | -1 INAPPLICABLE |         11,014 |    124,795,671 |  
            | 00-05 |             14 |        160,434 |  
            | 06-07 |              8 |         95,561 |  
            | 08-16 |             36 |        493,179 |  
            | 18-20 |             15 |         92,815 |  
            | 21-29 |             34 |        372,668 |  
            | 30-34 |              1 |         28,619 |  
            | 35-39 |             63 |        636,607 |  
            | 42-54 |             65 |        745,333 |  
            | 55-59 |             23 |        223,418 |  
            | 60-64 |              8 |         71,026 |  
            | 65-71 |             30 |        302,821 |  
            | 76-84 |            162 |      1,890,669 |  
            | 85-86 |             18 |        178,375 |  
            | 87-99 |             52 |        734,145 |  
            | TOTAL |         11,543 |    130,821,340 |  
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