Format/Length:	max an17
National Codes:
Default Codes:

Notes:
PROVIDER REFERENCE NUMBER is the same as attribute PROVIDER REFERENCE NUMBER

Note: the Format/Length has been updated in Data Dictionary Change Notice 1808 "Correction of Format/Length Data Elements". The Data Set specifications that contain this item will be updated in the next version of the Information Standard where it is not already correct.

PROVIDER REFERENCE NUMBER will be replaced with PROVIDER REFERENCE IDENTIFIER, which is the most recent approved national information standard to describe the required definition. 

This data element is also known by these names:

Context	Alias
plural	PROVIDER REFERENCE NUMBERS