Medicare Claims Processing Manual (Pub. 100-04), Ch. 32 § 50.8
Medicare Summary Notice (MSN) Messages for Intermediaries
50.8 - Medicare Summary Notice (MSN) Messages for Intermediaries
(Rev. 128, 03-26-04)
Use the following MSN messages where appropriate:
If a claim for DBS is denied because the service was performed prior to April 1, 2003, use the MSN message:
"This service was not covered by Medicare at the time you received it." (MSN Message 21.11)
The Spanish version of the MSN message should read:
"Este servicio no estaba cubierto por Medicare cuando usted lo recibió." (MSN Message 21.11)