---
title: "POST /claim-attachments/raw-x12-submission"
method: POST
path: "/claim-attachments/raw-x12-submission"
---

# POST /claim-attachments/raw-x12-submission

`POST /claim-attachments/raw-x12-submission`

Submit a 275 claim attachment in X12 EDI format

## Request body

- SubmitClaimAttachmentRawX12RequestContent — Request to submit a raw X12 claim attachment
  - `x12` string, required — The X12 EDI data for the claim attachment. This data must conform to the [275 X12 EDI specification](https://portal.stedi.com/app/guides/view/hipaa/patient-information-x210/01HQ4HZ8ZBY2CZGPCVVM8JTK22).

## Response `200`

SubmitClaimAttachmentRawX12 200 response

- SubmitClaimAttachmentRawX12ResponseContent — Response from submitting a raw X12 claim attachment
  - `claimAttachmentReference` ClaimAttachmentReference — Information about the claim attachment.
    - `correlationId` string — An opaque string identifier Stedi assigns to the claim attachment. You can use it for tracking purposes and when contacting Stedi support.
    - `patientControlNumber` string — The `patientControlNumber` from the claim associated with this attachment, if supplied. This is a unique identifier that you assigned to the related claim so you can track the claim and correlate it with responses from the payer.
    - `timeOfResponse` string, date-time — A timestamp in [RFC 3339 format](https://datatracker.ietf.org/doc/html/rfc3339) for Stedi's response to the submission. For example: `2025-03-07T12:34:56Z`.
  - `meta` AttachmentsResponseMetadata — Metadata from Stedi about the request.
    - `traceId` string — A unique identifier assigned to the processed file within the Stedi platform. This is also known as the file execution ID.
  - `tradingPartnerServiceId` string — An ID for the payer you identified in the related transaction. This value may differ from the `tradingPartnerServiceId` you submitted in the original claim request because it reflects the payer's internal concept of their ID, not necessarily the ID Stedi uses to route requests to this payer.

## Other responses

- `400` — ValidationException 400 response
- `403` — SubmitClaimAttachmentRawX12403Error 403 response
- `404` — ResourceNotFoundException 404 response
- `429` — ThrottlingException 429 response
- `500` — InternalFailureException 500 response

---

[API](https://skmtc.net/stedi/apis/stedi-healthcare-claims.md) · [All operations](https://skmtc.net/stedi/apis/stedi-healthcare-claims/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/stedi/stedi-healthcare-claims/revisions/8fc7ba273b38/schema)