clean_icd_code {naaccr}

Clean cause of death codes

Description

Clean cause of death codes

Usage

clean_icd_code(code, keep_unknown = FALSE)

Arguments

code

A character vector of ICD-7, ICD-8, ICD-9, and/or ICD-10 codes.

keep_unknown

Replace values for "unknown" with NA?

Value

A character vector with leading and trailing whitespace removed. If keep_unknown is FALSE, blanks and the ICD codes for "unknown" ("0000", "7777" and "7797") are replaced with NA.