| 
          
            | MEPS HC016D CODEBOOK |  
            | 1997 Hospital Inpatient Stays File |  
            | DATE:September 20, 2005 |  
 
          
            | Variable Name: | IPPRO1X |  
            | Description: | 2 DIGIT ICD-9 PROCEDURE CODE |  
            | Format: | 3.0 |  
            | Type: | CHAR |  
            | Start: | 99 |  
            | End: | 101 |  
 
        
          
            |  |  |  |  
            | -1 INAPPLICABLE | 3,382 | 25,396,052 |  
            | 01-05 | 8 | 55,696 |  
            | 06-07 | 3 | 33,514 |  
            | 08-16 | 7 | 75,443 |  
            | 18-20 | 3 | 16,368 |  
            | 21-29 | 10 | 65,493 |  
            | 35-39 | 48 | 372,122 |  
            | 40-41 | 2 | 30,614 |  
            | 42-54 | 77 | 598,042 |  
            | 55-59 | 15 | 107,322 |  
            | 60-64 | 3 | 13,638 |  
            | 65-71 | 49 | 357,935 |  
            | 72-75 | 2 | 21,324 |  
            | 76-84 | 82 | 643,117 |  
            | 85-86 | 9 | 51,342 |  
            | 87-99 | 10 | 74,145 |  
            | TOTAL | 3,710 | 27,912,169 |  
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