The Advance Beneficiary Notice of Non-coverage (ABN), also known as Form CMS-R-131, is a standardized Medicare document issued by healthcare providers to Original Medicare (Fee-for-Service) beneficiaries before delivering items or services that Medicare may not cover. Developed by the Centers for Medicare & Medicaid Services (CMS), the ABN is required whenever a provider expects Medicare to deny payment for a service it typically covers—transferring potential financial liability to the patient before care is rendered. The ABN is not used for Medicare Advantage (Part C) or Medicare Prescription Drug Benefit (Part D). Proper use of the ABN ensures patient financial transparency and protects providers from unexpected non-payment.
The ABN (CMS-R-131) is a two-page standardized form that must be completed in full before the service is provided. The form includes: the name and address of the provider or supplier; a description of the item(s) or service(s) that may not be covered; the reason Medicare may not pay; and an estimated cost of the service. Critically, the beneficiary (or their authorized representative) must select one of three response options:
The patient must sign and date the form, and the provider must retain a copy. Zentake digitizes this process with legally compliant e-signatures, automatic date-stamping, and secure record storage—eliminating paper ABN management.
Step 1: Identify the potential coverage gap. Before scheduling or delivering a service, verify whether Medicare routinely covers it and whether the specific patient's situation may trigger a denial (e.g., frequency limits, medical necessity questions, or non-covered services).
Step 2: Prepare the ABN using the current CMS-R-131 form. The updated ABN is effective now and expires March 31, 2029. Providers may use the prior version until May 12, 2026, but must transition to the approved form by that date. With Zentake, form templates are always kept current.
Step 3: Deliver the ABN in advance. The ABN must be presented to the patient with enough time for them to make an informed decision—typically before the service begins. Last-minute delivery is not considered valid informed consent.
Step 4: Review options and collect patient choice. Walk the patient through all three options clearly. The patient or their representative must select an option, sign, and date the form. Zentake's digital workflow guides patients through this process on any device.
Step 5: Retain the signed ABN and document in the patient record. Providers must keep a copy of the signed ABN for at least 4 years. Zentake automatically stores completed forms in HIPAA-compliant cloud storage with audit trails accessible from your EMR.
Completion: Paper ABNs require printing, manual completion, and in-person signatures; Zentake ABNs are completed on any device, anywhere—including telehealth and home visits.
Delivery: Paper forms must be physically handed to patients; Zentake sends ABNs via secure SMS or email link before the appointment.
Signature Capture: Paper requires wet signatures and manual scanning; Zentake captures UETA/ESIGN-compliant e-signatures with timestamps.
Record Storage: Paper forms must be physically filed and retrieved; Zentake stores all ABNs in HIPAA-compliant cloud storage with instant search and retrieval.
Form Currency: Paper inventories become outdated when CMS updates the form; Zentake templates are automatically kept current.
Audit Readiness: Paper records require manual compilation; Zentake produces complete audit trails with timestamps, IP addresses, and signature metadata.
Integration: Paper ABNs are siloed; Zentake pushes completed ABNs to your EMR or billing system automatically.
Cost: Paper involves printing, storage, and staff time; Zentake reduces per-ABN administrative cost significantly.
What is an Advance Beneficiary Notice of Non-coverage (ABN)?
The ABN (Form CMS-R-131) is a standardized Medicare document that providers must give to Original Medicare (Fee-for-Service) beneficiaries before delivering items or services Medicare may not cover. It informs patients of potential out-of-pocket costs and allows them to choose whether to proceed and how to handle billing. Zentake provides a digital ABN that can be completed before the appointment.
When is an ABN required?
An ABN is required whenever a Medicare-enrolled provider expects Medicare to deny payment for a service it would ordinarily cover—for example, when frequency limits are exceeded, medical necessity is questionable, or the service is not covered in the patient's specific circumstance. ABNs are not required for services Medicare never covers. Zentake helps practices identify these situations and trigger ABN delivery automatically.
What are the three ABN options patients can choose?
Patients must select: Option 1 (bill Medicare and accept financial responsibility if denied, with the right to appeal); Option 2 (do not bill Medicare, pay out-of-pocket, no appeal right); or Option 3 (decline the service entirely, no financial responsibility). The patient must sign and date their choice. Zentake's digital ABN form guides patients through each option clearly.
Is the ABN the same as an Advance Directive?
No. An ABN is a financial liability notice specific to Medicare billing—it informs patients that Medicare may not pay for a specific service and transfers cost responsibility to them. An Advance Directive (such as a living will or healthcare proxy) is a legal document about medical treatment preferences. They serve entirely different purposes.
Can the ABN be delivered electronically?
Yes. CMS permits electronic delivery of ABNs, provided the electronic system meets accessibility and retention requirements. Zentake's ABN workflow is fully electronic—patients receive the form via secure link, complete it on any device, and their signed copy is stored in HIPAA-compliant cloud storage.
How long must signed ABNs be retained?
CMS requires providers to retain signed ABNs for at least 4 years. Zentake automatically stores all completed ABNs with timestamps and signature metadata in secure, searchable cloud storage—making audits straightforward.
What happens if an ABN is not issued when required?
If a provider fails to issue a required ABN before delivering a non-covered service, they cannot bill the Medicare beneficiary and must absorb the cost of the service. This is called "holding harmless"—the patient is protected from financial liability when proper notice wasn't given. Zentake's workflow helps ensure ABNs are never missed.
Does the ABN apply to Medicare Advantage plans?
No. The ABN (CMS-R-131) applies only to Original Medicare (Fee-for-Service) beneficiaries. Medicare Advantage (Part C) plans use different notices. Zentake can help you manage multiple notice types for different payer populations.
1. Centers for Medicare & Medicaid Services. (2023). Advance Beneficiary Notice of Noncoverage (ABN), Form CMS-R-131. U.S. Department of Health & Human Services. https://www.cms.gov/medicare/forms-notices/beneficiary-notices-initiative/ffs-abn
2. Centers for Medicare & Medicaid Services. (2023). Medicare Learning Network: Advance Beneficiary Notice of Noncoverage (ABN) Tutorial (MLN909183). CMS.
3. Centers for Medicare & Medicaid Services. (2023). Medicare Claims Processing Manual, Chapter 30: Financial Liability Protections. CMS.
4. U.S. Department of Health & Human Services. (2023). Advance Beneficiary Notice of Non-coverage (ABN, Form CMS-R-131). HHS Guidance Portal. https://www.hhs.gov/guidance/document/advance-beneficiary-notice-non-coverage-abn-form-cms-r-131
Last updated: March 2026
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