This variable identifies the number of days in an "other" days supply of the drugs (other than 1 or 3 months) on this tier, when using an out-of-network pharmacy (OONP) during the pre-initial coverage limit (ICL) phase of the Part D benefit.
The CCW constructs the Plan Characteristics File from information submitted by plan sponsors to CMS’s Health Plan Management System (HPMS). Employer and National Program of All-inclusive Care for the Elderly (PACE) plans are waived from reporting Plan Benefit Package information.
For those plans that did not report, the value of this variable will be blank.
Source: CMS (HPMS Files)