Can your system use the attachment it received?
The Redix X12 275 Attachment Engine validates the 275, checks the embedded payload's length against what the sender declared, and, when the related claim and request are supplied, evaluates whether the attachment matches them. Then it reports the result in plain English.
- 006020X314 claims attachments
- 006020X316 services review
- CMS-0053-F
CMS-0053-F compliance date: May 26, 2028. Version 6020 of the 275 (006020X314) and 277 (006020X313) become the required standards for claims attachments.
Compliance is not consumption
Much attachment work focuses on producing a compliant 275. When one arrives, the receiving system still has three questions to answer before the attachment is any use: is it structurally valid, does the payload match the length the sender declared, and does it belong to a claim or request already in flight? The Redix engine answers the first two deterministically and evaluates the third when the related 277 and 837 are supplied; a check that cannot run is reported as not evaluated. The result is a report a person can read.
Structural and payload checks, plus association when related context is supplied
1. Validate
Checks the 275 against the applicable X12 6020 implementation guide (segments, elements, sequence, and codes) and returns a native 999 acknowledgment with the specific reasons. Structural acceptance is not payer acceptance.
2. Verify payload integrity
Flags declared-versus-received length mismatches and records a SHA-256 fingerprint of what was received. These checks do not establish the embedded document's clinical validity or electronic-signature validity.
3. Associate
Given the related 277 request and 837 claim, evaluates whether the attachment matches the case it belongs to, so your workflow can attach it to the right claim instead of an orphan queue. The engine verifies the match; it does not search your systems for it.
One readable report. Validation result, payload integrity, and association come back together, so an operations analyst can act without decoding raw X12. Engineers still get the acknowledgment and source segments.
The adopted standards and what they mean
Adopted standards
- X12N 275 006020X314, Additional Information to Support a Health Care Claim or Encounter
- X12N 277 006020X313, Health Care Claim Request for Additional Information
- HL7 C-CDA Implementation Guides (Volumes One and Two) and the HL7 Attachments Implementation Guide for the embedded document
- An adopted standard for electronic signatures on attachments
What it means operationally
- Covered entities exchanging claims attachments electronically must support the 6020 standards, not the older 5010 forms
- Operationally, the receiver has to validate and consume what it gets, solicited and unsolicited
- Readiness has to be end to end by the compliance date
What the engine covers. Structural validation of the 275, payload length checks, and association when context is supplied. Full CMS-0053-F readiness also involves embedded-document conformance, electronic-signature verification, and your own workflow; those are outside these checks.
Scope note. CMS-0053-F covers claims attachments. Prior-authorization attachments (006020X316 services review) are not part of this rule. The engine supports both profiles, but only the X314 claims attachment is adopted under CMS-0053-F.
Supported attachment profiles
| Profile | Transaction | Used for | Status |
|---|---|---|---|
| 006020X314 | 275 Claims Attachment | Supporting documentation for an 837 claim, solicited by a 277 request or sent unsolicited | Adopted under CMS-0053-F |
| 006020X316 | 275 Services Review Attachment | Supporting documentation for a 278 prior-authorization review | Supported, not mandated by this rule |
Association is evaluated when the related-transaction context is supplied.
Payers and clearinghouses (receive side)
- Confirm a received 275 passes structural validation before adjudication
- Catch declared-versus-received length mismatches at the door
- Evaluate association with the related claim and request, when supplied
- Give operations a report they can act on
Providers and submitters (send side)
- Confirm a 275 validates before you send it
- Confirm the embedded payload matches the declared length
- Catch structural and payload problems before submission
- Move from 5010 to the 6020 standard with confidence
Runs where your data lives. The engine is a component your pipeline calls, on-premises or as a container in your environment. Attachment payloads do not need to leave your systems to be checked.
The rule is final; the clock is running
See it on your own terms
Start with curated synthetic scenarios in the live demo, then bring your own synthetic 275. When you are ready, we run a guided technical review against your workflow. Synthetic data only; do not upload PHI.