Medicare Claims Processing Manual (Pub. 100-04), Ch. 31 § 10
ASC X12 270/271 Health Care Eligibility Benefit Inquiry and
10 - ASC X12 270/271 Health Care Eligibility Benefit Inquiry and
Response Implementation
(Rev. 2937, Issued; 04-25-14, Effective: 04-14-14, Implementation: 04-14-14)