icd_indicators: Add indicators to ICD-10-CM coded hospitalization data

In pjward5656/kipRc: Common Functions used by KIPRC Analysts

Description

This function adds indicator (0,1) variables to emergency department or inpatient hospitalization claims data. Similar to cste_indicators, but in this case the user defines the ICD-10-CM codes to search.

Usage

icd_indicators(data, icd_codes, new_var_names, 
               diag_codes=c("DIAG1",  "DIAG2",  "DIAG3",  "DIAG4",  "DIAG5",  "DIAG6",  "DIAG7",  "DIAG8",
                            "DIAG9",  "DIAG10", "DIAG11", "DIAG12", "DIAG13", "DIAG14", "DIAG15", "DIAG16",
                            "DIAG17", "DIAG18", "DIAG19", "DIAG20", "DIAG21", "DIAG22", "DIAG23", "DIAG24",
                            "DIAG25", "ECODE1", "ECODE2", "ECODE3","ECODE4", "ECODE5", "ECODE6"))

Arguments

data	The dataframe containing claims data.
icd_codes	A vector of quoted ICD-10 codes to search. These can be individual codes or regular expressions.
new_var_names	A vector of quoted strings representing the names of the new variables to be created.
diag_codes	A vector of quoted variable names representing the diagnosis codes in the data. Default is KIPRC's field names.

Examples

icd_indicators(ipdata, icd_codes=c("(T401.[1-4])(A|$|\b)", "(T405.[1-4])(A|$|\b)"), new_var_names=c("heroin", "cocaine"))

pjward5656/kipRc documentation built on April 27, 2020, 10:34 p.m.