Function reference • ICD10gm

Interactive lookup

Convenience functions to search for and look up ICD-10-GM codes

icd_lookup(): Lookup an ICD-10 code in R

icd_browse(): Lookup a 3-digit ICD-10-GM code in the official BfArM browser

icd_search(): Search ICD-10-GM labels for a string

ICD-10-GM Metadata

Data frames containing the underlying ICD-10-GM metadata and utility functions to perform common queries.

icd_meta_codes: data.frame containing metadata for all ICD-10-GM codes

icd_meta_blocks: data.frame containing metadata for the ICD-10-GM code blocks

icd_meta_chapters: data.frame containing metadata for the ICD-10-GM chapters

icd_meta_transition: data.frame detailling the changes in ICD-10-GM codes between versions

get_icd_labels(): Get or query ICD-10 labels

get_icd_history(): Get ICD history metadata

icd_showchanges(): Show historical changes to selected ICD-10-GM codes

icd_showchanges_icd3(): Show historical changes to selected three-digit ICD-10-GM codes

Specification

Specify and historize ICD-10 codes.

icd_expand(): Expand list of ICD codes to include all possible subcodes

icd_history(): Historize a list of ICD codes to cover the specified years

Parsing

Parsing and testing for ICD-10 codes

icd_parse(): Extract all ICD codes from a character vector

is_icd_code(): Test whether a string is a valid ICD code

Comorbidity Groupers

Specification of various comorbidity groupers

charlson_rcs: Charlson Comorbidities (Royal College of Surgeons)

charlson_sundararajan: Charlson Comorbidities (Sundararajan)