Medicare Claims Processing Manual (Pub. 100-04), Ch. 30 § 50.4
ABN Triggering Events
50.4 - ABN Triggering Events
(Rev. 10862; Issued: 07-14-21; Effective: 10-14-21; Implementation: 10-14-21)
Initiations
Reductions
Terminations
The beginning of a
new patient
encounter, start of a
plan of care, or
beginning of
treatment.
A reduction occurs
when there is a
decrease in a
component of care (i.e.
frequency, duration,
etc.). The ABN is not
issued every time an
item or service is
reduced. But, if a
reduction occurs and
the beneficiary wants
to receive care that is
no longer considered
medically reasonable
and necessary, the
ABN must be issued
A termination is the
discontinuation of
certain items or
services. The ABN is
only issued at
termination if the
beneficiary wants to
continue receiving care
that is no longer
medically reasonable
and necessary.
prior to delivery of this
non-covered care.