This section includes two types of tools useful for beginning work with ICD-10-CM coded data: Programming Resources.


Programming Resources

Perl Regular expressions for ICD-10-CM Injury and Drug Overdose Indicators

A regular expression is a sequence of characters that define a search pattern. There are different syntaxes, or “flavors”, for writing regular expressions - Perl is the most common. The injury and drug overdose indicator definitions operationalized as Perl regular expressions can be used in statistical programs to identify the presence of included ICD-10-CM codes in ED and Hospitalization datasets.


Notes about the regular expressions: