Medicare Claims Processing Manual (Pub. 100-04), Ch. 12 § 20.6
Update Factor for Fee Schedule Services
20.6- Update Factor for Fee Schedule Services
(Rev. 2464, Issued: 05-04-12, Effective: 10-01-11-MCS/10-01-12-VMS, Implementation:
10-03-11-MCS, VMS Analysis and Design /10-01-12-VMS implementation)
The CMS provides updates to the MPFSDB and other fee schedules annually or as otherwise
necessary. Claims processing A/B MACs (B) must maintain at least five full calendar years of
fee schedules and related pricing data (i.e., the current and four prior calendar years), regardless
of the number of updates or pricing periods within those five years.