Day Count (Length of Stay)

Updated research request forms and data security approval requirement effective 4/24/23

This variable is contained in the following files:

SAS Name

CLM_DAY_CNT

This is a derived field that calculates the beneficiary's length of stay in an inpatient or SNF setting.

Comments

The count of days is the (CLM_THRU_DT – CLM_FROM_DT)+1

Source: CMS Integrated Data Repository (IDR)