How to Read an 835 ERA File

The ANSI X12 835 Electronic Remittance Advice (ERA) file communicates payment information from payers to providers. It includes claim-level payments, adjustments, and denial codes.

Key Segments

CLP Segment

Contains claim-level payment details including total charge amount, payment amount, patient responsibility, and status codes.

CAS Segment

Provides adjustment information using CARC codes (Claim Adjustment Reason Codes).

NM1 Segment

Identifies payer and provider entities.

How MedClaimsIQ Helps

  • Automatically parses 835 files
  • Generates posting batches
  • Detects denials and aging issues
  • Tracks balances per claim