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SAS Name
CLM_LINE_NUM

This variable identifies an individual line number on an encounter record claim. 

Each revenue center record or claim line has a sequential line number to distinguish distinct services that are submitted on the same encounter record. 

All revenue center records or claim lines on a given claim have the same encounter join key (variable called ENC_JOIN_KEY).

Comments

Note that the original claim line number from the CMS Integrated Data Repository (IDR) is also included in these data files (variable called LINE_NUM_ORIG), for the benefit of CMS.