Submit Attachment

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/submit-attachment submits clinical documentation for a prior authorization or claim review request. The request is a FHIR Parameters resource containing tracking and business identifiers, the target workflow, service-date information, and an Attachment parameter. Each attachment contains a document-type code and a FHIR DocumentReference (A FHIR DocumentReference resource is a metadata container that represents a document and tells systems what the document is, where it is, and how to retrieve it) resource.

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CAUTION

Please do not submit PHI or PII data in the TryIt! interface (sandbox environment).

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IMPORTANT

Please note that unlike the previous X12 example, the JSON request requires you to provide all the required field values. Please note that these required values are GREYED out, which are pre-populated example values and can be selected to view their respective canned response. To view the required fields, expand the + symbol highlighted in dark blue in the following figure (also shown in the preceding request example). For more information, please refer to the JSON-to-EDI Content section.

Body Params

FHIR Parameters resource containing the identifiers, service information, and clinical attachment to submit.

FHIR Parameters resource for the $submit-attachment operation request.

parameter
array of objects
required
length ≥ 1

List of named parameters.

Parameter*

A single named parameter within the FHIR Parameters resource.

string
enum
required
Defaults to TrackingId

Supported parameter names in $submit-attachment.

part
array of objects | null
Defaults to [object Object]

Sub-parameters of the Attachment parameter.

Part

A sub-parameter within the Attachment parameter of $submit-attachment.

string
enum
required
Defaults to LineItem

Supported sub-parameter names within an Attachment parameter.

Allowed:
resource
object | null

Used for Content — the DocumentReference payload.

valueCodeableConcept
object | null

Used for Code — LOINC or other document type code.

string | null
Defaults to 1

Value used when the attachment part name is LineItem.

string | null
enum
Defaults to prior-auth

Value used when name is AttachTo. Allowed values are claim and prior-auth.

Allowed:
date | null
Defaults to 2026-09-10

Value used when name is ServiceDate and a single date applies. Format: YYYY-MM-DD.

valueIdentifier
object | null

Used for TrackingId, PayerId, OrganizationId, ProviderId, MemberId.

valuePeriod
object | null

Used for ServiceDate when a date range applies.

string | null
Defaults to PA-REQUEST-12345

Value used when name is RequestId. Example payer request identifier: PA-REQUEST-12345.

string
enum
Defaults to Parameters

Fixed to Parameters.

Allowed:
Headers
string | null

Optional client-supplied correlation identifier used to trace the request across systems.

Responses

Language
Credentials
Bearer
JWT
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Response
Click Try It! to start a request and see the response here! Or choose an example:
application/json