Medicare Claims Processing Manual (Pub. 100-04), Ch. 21 § 10.3
A/B MAC (A), (B), (HHH), or DME MAC Instructions for
10.3 - A/B MAC (A), (B), (HHH), or DME MAC Instructions for
Preparing the MSN
(Rev. 1, 10-01-03)
PM A-99-48
Medicare Claims Processing Manual (Pub. 100-04), Ch. 21 § 10.3