Medicare Claims Processing Manual (Pub. 100-04), Ch. 27 § 20.3.1
BDS Basic Reply
20.3.1 – BDS Basic Reply
(Rev. 4009, Issued: 03-23-18, Effective: 04-23-18, Implementation: 04-23-18)
When the Host receives a query from MAC’s requesting beneficiary eligibility and
entitlement information, the informational record is sent in response to the BDS
Transaction record sent to the host. It acknowledges the Host's receipt of the BDS
Transaction record and indicates any errors or informational data.
Following are the types of codes and other information associated with this record: These
codes are returned on Basic Reply Trailer 08 and other reply trailers as appropriate
• Disposition codes;
• Error codes; and
• Basic Reply Trailers.