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When a claim is rejected by ClaimMD before it reaches the payer, you will see a message in the Claim History panel on the superbill formatted as:
These rejections mean the claim never reached the payer for adjudication. You must correct the issue in Elation Billing and resubmit from the Claims Queue. This article covers the most common ClaimMD-generated rejection messages and how to resolve them. For payer-generated denials (CO/PR codes from ERAs), see Common Claim Rejections and Denials.

Category 1 — EDI Formatting & Field Validation


Category 2 — Submitter / Payer ID Errors


What is a CAS (Claim Adjustment Segment)? The CAS is the EDI field on a secondary claim that records how the primary payer adjusted the billed amount — including contractual write-offs and patient responsibility such as deductible, coinsurance, and copay. Secondary claims must include accurate CAS data before ClaimMD will accept them.

Category 3 — Secondary / Coordination of Benefits (COB) Errors


Category 4 — Workers Comp / Specialty Claims


Quick Reference — Most Common Rejections