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Compliance & Quality

The ABN Guide 2026 (CMS-R-131)

When a Medicare ABN is required or voluntary, how to fill out the form field by field, and how the GA, GZ, GY and GX modifiers work.

Why I made thisGet the ABN wrong and the practice eats the cost, or the patient gets a bill they were never warned about. Neither is fun to explain.

$7

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Length
7 pages + 2 editable Word templates
Format
US Letter PDF (full color + low-ink print-friendly) and editable Word .docx (opens in Google Docs and LibreOffice). One .zip download.
License
Print and copy inside your own practice (one practice). Please don't resell or share the files.
This is also included in the Front Office & Billing Toolkit, with the other 7 guides in the set.

What's inside

  • Yes/no decision flow: required vs voluntary ABN
  • Field-by-field walkthrough of the 2026 ABN (CMS-R-131) based on current CMS instructions
  • Special situations: dual-eligible and QMB patients, refusals, repeat services
  • GA, GZ, GY and GX modifiers in one table
  • Fictional worked examples
  • Links to the official CMS form (the form itself is not reproduced)

Who it's for

  • Front desk staff who hand patients the ABN
  • Billers who append GA, GZ, GY and GX
  • Managers writing an ABN policy

Files you'll download

  • 03-ABN-Guide.pdf (7 pages, color)
  • 03-ABN-Guide-PrintFriendly.pdf
  • editable/ABN-Guide-Checklists.docx
  • editable/ABN-Tracking-Log.docx
  • README.txt

Pairs well with

Instant downloadA .zip of PDFs and editable files, right after checkout.
Secure checkoutCard or PayPal through Payhip. I never see your card number.
Help by emailQuestions about a file? Email me.
No patient dataNothing here asks for PHI. Every example is made up.

Educational use only. Not legal, billing, coding or medical advice. Rules change and vary by MAC, state and payer, so confirm with the official sources (listed in the staff guides and Medicare kit). All examples are fictional. Not affiliated with or endorsed by CMS, HHS or any payer. Questions? Read the FAQ or email jenny@clinicrevenueguides.com.