Required Standards
(X12 N)
Description
Comment
278 Standard for referral certification and authorization Request for review and response
270/271 Standard for health care eligibility benefit inquiry and response Dental, professional and institutional
276/277 Standard for health care claims status Provider request and health plan response
820 Standard for health plan premium payments Used by employers to pay premiums (employers not required to use)
834 Standard for benefit enrollment and disenrollment in a health plan Used by employers to enroll members in health plans (employers not required to use)
835 Standard for health care payment and remittance advice Health plan payment back to providers
837 Health Claims and encounter information for professionals, institutions and dentists, and for coordination of benefits Replaces UB 92 and HCFA 1500

A great reference for this by Diane L. Stone, "HIPAA, HYPE-A, HELP-A" writing for The Scheur Management Group, Inc. (SMG), http://www.scheur.com appears in The Managed Care Insider eNews Volume 4, Number 4 April 2002.