Description Usage Arguments Value See Also Examples
Sweden decided to make a few adaptations to the ICD-9 system. One of them was to change the last 4th digit into a letter, A:H,W,X, corresponding to the numbers 0-9.
| 1 | preproc.Swedich.ICD9(icd, icd_ver)
 | 
| icd | A vector or a single string with the ICD-9-code | 
| icd_ver | An indicator of the ICD-version corresponding to each code | 
vector Returns a string/vector with the ICD-9 codes.
Other preprocessor functions:
preproc.code.splitter;
preproc.strip.dot
| 1 | preproc.Swedich.ICD9(c("418X", "401A"))
 | 
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