| 
          
            | MEPS HC016E CODEBOOK |  
            | 1997 Emergency Room Visits File |  
            | DATE:September 20, 2005 |  
 
          
            | Variable Name: | ERPRO1X |  
            | Description: | 2 DIGIT ICD-9 PROCEDURE CODE |  
            | Format: | 3.0 |  
            | Type: | CHAR |  
            | Start: | 107 |  
            | End: | 109 |  
 
        
          
            |  |  |  |  
            | -1 INAPPLICABLE | 5,876 | 44,097,700 |  
            | 01-05 | 4 | 55,058 |  
            | 08-16 | 7 | 73,180 |  
            | 21-29 | 4 | 28,692 |  
            | 35-39 | 5 | 34,221 |  
            | 42-54 | 20 | 160,225 |  
            | 55-59 | 1 | 1,507 |  
            | 60-64 | 6 | 14,504 |  
            | 65-71 | 1 | 24,789 |  
            | 76-84 | 9 | 42,760 |  
            | 85-86 | 30 | 302,356 |  
            | 87-99 | 12 | 85,492 |  
            | TOTAL | 5,975 | 44,920,484 |  
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