Please contact your Practice Management System Vendor or EDI clearinghouse to inform them that you wish to initiate electronic 275 claim attachment transaction submissions for payer ID: 32002 

A maximum of ten attachments are allowed per submission. Each attachment cannot exceed 10 megabytes (MB) and total file size cannot exceed 100MB. The acceptable supported formats are pdf, tif, tiff, jpeg, jpg, png, docx, rtf, doc, and txt. 

There are two ways 275 claim attachment transactions can be submitted: 

• Batch — You may either connect to Availity* directly or submit via your EDI clearing house. 
• Portal — Individual providers may also register at: https://www.availity.com/Essentials-Portal-Registration to submit attachments. 

Specific 275 claim attachment transaction report codes must be used when submitting an attachment. 

After logging in, providers registered with Availity may access the Attachments - Training Demo for detailed instructions on the submission process. For the best results, providers should take the following steps: 

1. Sign in to Availity Essentials: Revenue Cycle Management | Healthcare | Availity [availity.com] 
2. Click the training link: Training Link [apps.availity.com] 
3. In the – Attachments – Training Demo page, click Enroll. 
4. In the Confirm window, click Yes. 
5. The training demo will be added to the provider’s learning dashboard. To view the training demo, click Start. 
6. The training demo opens. Select Explore Options. To send unsolicited documentation, providers should select the Play button on the second tab titled Submit Supporting Documentation (Unsolicited).