To help ensure accuracy and eliminate delays in the adjudication of your claims, the itemized bill must be included with qualifying claim submissions. Submitting an itemized bill for a high dollar claim just got easier for submitting *unsolicited medical attachments.


There is an “itemized bill” submission option under Attachments – New.


  • Log in to Availity Portal
  • Select Claims & Payments | Attachments – New
  • Select Send Attachment
  • Under the Request for Information, select No, if you are including the supplemental information/attachment for an 837 claim PWK.
  • Provide provider, patient and claim information
  • Attach Supporting Documentation and Reason
  • Send Attachment(s)

Request for information

Medical Attachments

Also, available for you is the option to submit a claim attachment using Availity Portal for *solicited medical attachments.


Submit supporting documentation in response to a formal (solicited) request from the payer.


  • Log in to Availity Portal
  • Select Claims & Payments | Attachments – New
  • Select Send Attachment
  • Under the Request for Information, select Yes, if you are responding to a request from the health plan or need to submit documentation for a specific claim number
  • Add supporting documentation and Reason
  • Submit

Request for information2

As an added bonus, if you attended a previous webinar, we want to share updated information about submitting an EDI 837 batch, which includes a PWK segment in loops 2300/2400.  This detail is the linkage between the electronic claim and your supplemental documentation that can be submitted through the Availity portal.


What does this mean for you?


You may now submit attachments electronically (EDI) using the PWK segment to specify that documents are being submitted in support of the claim, and no additional face sheet or coversheet is needed.

Here are the steps:


  • Log in to Availity Portal
  • Select Claims & Payments I Attachments - New
  • From the Inbox tab, select the appropriate claim or open the request in your work queue
  • Add files with supporting documentation
  • Submit


Get Trained


Attend an Availity hosted webinar to learn more about all capabilities. You can register for an upcoming live webinar hosted by Availity. 



Log into and select Help & Training | Get Trained to open the Availity Learning Center in a new tab (it is your dedicated ALC account).


  • Search by keyword (Medattach) to find on-demand and live training options.


  • Click Enroll to enroll for a course and then go to your Dashboard to access it any time.


Get started today with these wide-ranging capability enhancements to transform your business operations to a quick, secure, paperless and simple process to fulfill medical records requests electronically through Availity.


*Unsolicited Attachment: Documentation submitted without a formal request from the payer

*Solicited Attachment:
Documentation submitted in response to a specific request from payer




Featured In:
March 2021 Anthem Provider News - Virginia