The count of the number of hospice period trailers present for the beneficiary's record.
Medicare covers hospice benefit periods which may consist of 2 initial 90 day periods followed by an unlimited number of 60 day periods.
Hospice benefits are generally in lieu of standard Part A hospital benefits for treating the terminal condition.
Medicare payments are described in detail in a series of Medicare Payment Advisory Commission (MedPAC) documents called “Payment Basics” (see: http://www.medpac.gov/payment_basics.cfm).
Also in the Medicare Learning Network (MLN) “Payment System Fact Sheet Series” (see: http://www.cms.gov/Outreach-and-Education/Medicare-Learning-NetworkMLN/MLNProducts/MLN-Publications.html).