Description Usage Arguments Value
Non-decimal ICD-9 codes with length<5 are often ambiguous. E.g. 100 could be 1.00 10.0 or 100 if coded incorrectly. We must assume 100 is really 100
1 2 3 4 5 | icd9AddLeadingZeroesShort(icd9Short)
icd9AddLeadingZeroesDecimal(icd9Decimal)
icd9AddLeadingZeroes(icd9, isShort)
|
icd9Short |
is a character vector of ICD-9 codes. If fewer than five characters is given in a code, then the digits are greedily assigned to hundreds, then tens, then units, before the decimal parts. E.g. "10" becomes "010", not "0010" |
icd9Decimal |
character vector of ICD-9 codes. If fewer than five characters is given in a code, then the digits are greedily assigned to hundreds, then tens, then units, before the decimal parts. E.g. "10" becomes "010", not "0010" |
icd9 |
is a character vector or factor of ICD-9 codes. If fewer than five characters is given in a code, then the digits are greedily assigned to hundreds, then tens, then units, before the decimal parts. E.g. "10" becomes "010", not "0010". |
major |
character vector of 'major' part of ICD-9 codes, i.e. that part which falls before the decimal point, in decimal notation. (In 5 digit notation, the 'major' part is be the first three characters (with leading zeroes), and includes V or E prefix. xyz |
character vector of ICD codes (or major part thereof)
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