Forward-Backward Mapping

Performs the bidirectional mapping of a code.

Usage

forward_backward(
  codes,
  icdVer_dest,
  code_type,
  match_method = c("exact", "prefix")
)

Arguments

codes

A vector of ICD diagnosis or procedure codes.

icdVer_dest

A number, either 9 or 10, indicating the destination ICD version.

code_type

A string, either "dg" or "pc," indicating the codes are diagnosis or procedure, respectively.

match_method

A string, specifying the method for matching the codes

• "exact" matches the provided code exactly.

• "prefix" treats the provided code as a prefix for matching.

Value

A dataframe with the bidirectionally mapped codes.