Many MICAs contain a category of variables called ‘Optional Variables’. These are variables are often specific to each MICA topic. Therefore, the presence and types of Optional Variables will vary between MICAs.

All Level Users will find the following Optional Variables available for the Procedures MICA:

Pay Source

Procedure data from the Patient Abstract System include information on the anticipated pay source for the procedure. This may not reflect the source of payment finally used.


The procedure setting can be classified as either inpatient or outpatient.