Retrieves the row(s) in the code table matching a given code.
Arguments
- code
A single
characterstring specifying the code to look up.- system
A single
characterstring naming the code system, one ofsupported_inner(). Defaults to"ICD9CM".
Value
A data.frame (or tibble) containing all columns for the matching
code. If no match is found, returns an empty data frame with the same
columns as the code table.