icd9 (version 1.3.1)

icd9AddLeadingZeroesShort: Add leading zeroes to incomplete ICD codes

Description

Non-decimal ICD-9 codes with length

Usage

icd9AddLeadingZeroesShort(icd9Short)
icd9AddLeadingZeroesDecimal(icd9Decimal)
icd9AddLeadingZeroes(icd9, isShort)

Arguments

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

Value

character vector of ICD codes (or major part thereof)