Creates the lookup files for search for single ICD-10 codes related to tobacco and/or alcohol.

ExpandCodes(lkup)

Arguments

lkup

Data frame containing the disease list.

Value

Returns a data frame containing a row for each single ICD-10 code to be searched for.

Details

For example, if one disease category is C00-C06 (oral cancer), this includes the single codes C00,C01,C02,C03,C04,C05,C06. The number of rows will be expanded to give each single code its own row.

Examples


if (FALSE) {

ExpandCodes(lkup)

}