X12 820 Payment and Remittance

1. 820 structure

   BPR payment, TRN trace, payer and payee N1 loops and remittance detail.

2. Premium payment (health)

   RMR remittance detail, ENT entity loops and individual vs group premium payments.

3. EFT and ACH movement

   How BPR payment method codes map to ACH credits and debits and CCD+ addenda.

4. Reconciliation with 834

   Matching premium payments against enrolled members from 834 files.

5. Code lists

   X12 code lists referenced by 820 data elements.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• Price Transparency (Transparency in Coverage)
• SMART on FHIR (App Launch)
• TEFCA
• UB-04 (CMS-1450) Claim Form
• US Core Implementation Guide
• X12 270/271 Eligibility
• X12 276/277 Claim Status
• X12 278 Prior Authorization
• X12 834 Benefit Enrollment
• X12 835 Remittance Advice
• X12 837I Institutional Claim
• X12 837P Professional Claim