Skip to contents

Read ICD-10 coding files into R

Source: R/read_icd10_trud.R
read_icd10_trud.Rd

Reads the ICD-10 Edition 5 codes and descriptions from a local copy of the TRUD release files.

Usage

read_icd10_trud(
  path,
  version = NULL,
  source = "https://isd.digital.nhs.uk/trud/"
)

Arguments

path

Path to the ICD-10 release. Can be:

  • A zip file (e.g., from get_icd10_trud())

  • An unzipped directory containing the Content subdirectory

version

Character string for the version label. If NULL (default), derived from the zip file or directory name.

source

Character string for the data source URL or description.

Value

A named list with elements:

  • icd10_lkp: lookup table with table (data.table) and metadata

  • icd10_relationship: parent-child hierarchy derived from code structure

The lookup table has columns including CODE, ALT_CODE (dot-stripped, used as the primary code column), DESCRIPTION, and others from the source file. DESCRIPTION is augmented with MODIFIER_4 or MODIFIER_5 where present.

See also

add_icd10_trud(), get_icd10_trud()

Examples

if (FALSE) { # \dontrun{
path <- get_icd10_trud()
result <- read_icd10_trud(path)
result$icd10_lkp$lookup$table
} # }