Medicare Claims Processing Manual (Pub. 100-04), Ch. 5 § 10.3.6
MSN Messages Regarding the Therapy Cap
10.3.6 - MSN Messages Regarding the Therapy Cap
(Rev. 3367 Issued: 10-07-15, Effective: 01-01-16, Implementation: 01-04-16)
Existing MSN messages 17.13, 17.18 and 17.19 shall be issued on all claims containing
outpatient rehabilitation services. Contractors add the applied amount for individual
beneficiaries and the generic limit amount to all MSNs that require them. For details of
these MSNs, see: http://www.cms.gov/MSN/02_MSN%20Messages.asp.