Good Cause Extension for a Late Medicare Appeal: How to Request It and When It Is Granted

Medicare appeal deadlines are strict, but they are not always absolute. If a provider, supplier, or beneficiary misses the deadline to file an appeal, Medicare's regulations allow the appeals entity to extend the deadline when the party shows "good cause." A successful good cause request can save an appeal that would otherwise be dismissed.

But good cause is not automatic, and it is not granted simply because a request is late. The appellant must explain in writing why the appeal was not filed on time and provide supporting evidence. Contractors and adjudicators evaluate each request based on specific factors in the regulations, and some common explanations, such as staffing problems, are unlikely to succeed for providers.

This article explains what good cause means for late Medicare appeals, the factors and examples in the regulations, how to request an extension at each level, how to write a strong good cause statement, what evidence to include, common reasons requests are denied, what happens if the request is refused, and how to avoid needing an extension in the first place. It is educational and not legal advice.

What Is Good Cause for Late Filing?

Good cause is the standard Medicare uses to decide whether to accept an appeal filed after the deadline. Under 42 CFR 405.942(b), if the 120-day period to request a redetermination has expired and a party shows good cause, the contractor may extend the timeframe for filing. Under 42 CFR 405.962(b), a QIC may extend the 180-day timeframe for filing a reconsideration for good cause, applying the same good cause provisions. Similar good cause standards apply at the ALJ and Medicare Appeals Council levels.

CMS explains on its appeals late filing page that if you cannot file your appeal within the standard timeframe, you can ask for an extension, and CMS will evaluate whether there is good cause for the late filing.

Good Cause for Late Filing Is Different From Other "Good Cause" Rules

Medicare uses the term "good cause" in several contexts. Do not confuse them:

• Good cause for late filing of an appeal, discussed in this article.

• Good cause for submitting new evidence at the ALJ level, under 42 CFR 405.1028.

• Good cause for reopening a determination within four years, under 42 CFR 405.980 and 405.986, which generally involves new and material evidence or an obvious error.

• Good cause for late ADR documentation, which contractors may accept in situations such as natural disasters or business interruptions.

Each has its own standards.

The Good Cause Factors

Under 42 CFR 405.942(b)(2), in determining whether a party has good cause for missing the deadline to request a redetermination, the contractor considers:

1. The circumstances that kept the party from making the request on time.

2. Whether the contractor's action misled the party.

3. Whether the party had physical, mental, educational, or linguistic limitations, including limited English proficiency, that prevented the party from filing a timely request or from understanding or knowing about the need to file.

Examples of Good Cause in the Regulations

Under 42 CFR 405.942(b)(3), examples of circumstances where good cause may exist include, but are not limited to:

• The party was prevented by serious illness from contacting the contractor in person, in writing, or through a friend, relative, or other person.

• The party had a death or serious illness in his or her immediate family.

• Important records of the party were destroyed or damaged by fire or other accidental cause.

• The contractor gave the party incorrect or incomplete information about when and how to request a redetermination.

• The party did not receive notice of the determination or decision.

• The party sent the request to a government agency in good faith within the time limit, and the request did not reach the appropriate contractor until after the time period expired.

CMS's Plain-Language Examples

CMS's appeals late filing page lists similar examples, including:

• A serious illness that prevented contacting the appeals reviewer.

• A death or serious illness in the immediate family.

• Important records destroyed or damaged by fire or an event such as a hurricane, earthquake, or flood.

• An emergency or disaster that blocked access to records.

• Incorrect or incomplete instructions from the contractor or appeals reviewer about filing.

• Not receiving notice of the decision.

• A timely request sent in good faith to another government agency.

• A delay caused by needing documents in an accessible format, such as large print or Braille.

• Physical, mental, educational, or language limitations that delayed filing.

How Good Cause Applies to Providers and Suppliers

Many of the regulatory examples focus on individuals, such as beneficiaries and their families. Providers and suppliers can also request good cause extensions, but contractors generally expect professional organizations to manage deadlines carefully.

Contractor guidance has explained that requests from providers, physicians, and suppliers to extend the redetermination filing period are not routinely granted. Contractor guidance has also stated that the failure of a billing company or consultant retained by the provider to file timely, or a lack of business office management skills or expertise, does not establish good cause.

Situations that may support good cause for providers include:

• The provider never received the notice, for example because it was sent to an incorrect address that the provider had properly updated.

• The contractor gave incorrect information about the deadline or filing procedure.

• A disaster, such as a fire, flood, or hurricane, destroyed records or closed the facility.

• A serious system outage, such as a cyberattack, prevented access to records or filing systems, depending on the circumstances.

• The appeal was timely sent in good faith to the wrong government agency or contractor.

• The death or serious illness of a sole practitioner or key individual responsible for the appeal, depending on the circumstances.

Good cause is decided case by case. Even strong explanations must be supported with evidence.

How to Request a Good Cause Extension at Each Level

Level 1: Redetermination

Under 42 CFR 405.942(b)(1), the request for an extension must be in writing, must state why the redetermination request was not filed within the required timeframe, and must meet the requirements for a redetermination request. Submit the extension request together with the redetermination request and supporting evidence.

Level 2: Reconsideration

Under 42 CFR 405.962(b), a party must file its request for an extension with its request for reconsideration and should include evidence to support the request. Form CMS-20033 includes a section for explaining late filing. The QIC applies the same good cause provisions used for redeterminations.

Level 3: ALJ Hearing

OMHA explains that if you file a late request for an ALJ hearing, you must explain why the request is late and ask the adjudicator to extend the deadline. OMHA provides Form OMHA-103, Request for Extension of Time to File, for this purpose, or you may include a written explanation with the request.

Level 4: Medicare Appeals Council

If a request for Council review is late, include a written explanation of why it was not filed on time with the request for review. The Council will consider whether good cause exists.

Level 5: Federal Court

The deadline to file in federal court is set by statute and regulation. The Council may extend the time to file a civil action in some circumstances upon a showing of good cause. Requests should be made in writing to the Council, ideally before the deadline expires. Consult legal counsel promptly.

How to Write a Strong Good Cause Statement

A good cause statement should be clear, factual, and supported by evidence. Include:

1. Identification

• Beneficiary name and Medicare number.

• Claim number, dates of service, and the notice or decision being appealed.

• Date on the notice and the date actually received, if different.

2. Statement of the Request

State that you are requesting an extension of the filing deadline for good cause and that the appeal request is enclosed.

3. Timeline

Provide a clear chronology:

• Date of the notice.

• Date the notice was received, if later.

• Original deadline.

• The event that prevented timely filing, with dates.

• When the obstacle ended.

• When you filed the appeal.

4. Explanation

Explain the specific circumstances that prevented timely filing, connecting them to the regulatory factors and examples. For example: "The initial determination notice was mailed to our former practice address. We updated our address in PECOS on January 5, before the notice was issued on February 1, and we did not receive the notice until a copy was obtained from the MAC portal on June 20."

5. Diligence

Show that you acted promptly once the obstacle was removed. A request filed soon after the obstacle ended is more persuasive than one filed months later.

6. Evidence

Attach documents that support each statement. See the next section.

7. Signature

Sign and date the statement as the party or authorized representative.

Evidence to Support a Good Cause Request

The strongest requests include objective evidence, such as:

• Proof of address updates in PECOS or other enrollment records, with dates.

• Mail logs or returned envelopes showing a notice was not received or was misdirected.

• Records of contact with the contractor, including call reference numbers and notes showing incorrect information was provided.

• Disaster declarations, insurance claims, or fire department reports showing records were destroyed or the facility was closed.

• IT incident reports or vendor statements documenting system outages or cyberattacks.

• Medical documentation of serious illness, when relevant and appropriate.

• Death certificates or obituaries, when relevant.

• Proof of timely mailing to another government agency or contractor.

Avoid including unnecessary sensitive information. Provide what is needed to support the explanation.

Common Reasons Good Cause Requests Are Denied

• No explanation is provided, or the explanation is vague.

• The explanation relies on staffing shortages, workload, or office disorganization.

• A billing company or consultant missed the deadline.

• The provider claims it did not understand the deadline, despite clear instructions in the notice.

• There is no supporting evidence.

• The provider waited a long time after the obstacle ended before filing.

• The explanation does not match the record, for example, the notice was clearly sent to the correct address.

What Happens If Good Cause Is Granted

If good cause is found, the appeals entity accepts the late appeal and processes it on its merits. CMS's late filing page explains that if an extension is approved, you will receive a decision within the timeframe that applies to that appeal level.

Remember that a finding of good cause at one level does not excuse late filing at the next level. Contractor guidance has noted that a finding of good cause for a late redetermination does not mean the party is excused from the filing deadline for the reconsideration.

Also note that the limitation on recoupment depends on filing within 30 days of the demand letter for a redetermination and within 60 days of the redetermination decision for a reconsideration. A good cause extension of the appeal deadline may not restore recoupment protection.

What Happens If Good Cause Is Denied

CMS explains that if an extension request is denied, the appeal is dismissed and the dismissal letter explains how to appeal the dismissal. Options include:

• MAC dismissal of a redetermination request: request QIC review of the dismissal within 60 days of receipt. CMS explains that the QIC decides only whether the dismissal was correct.

• QIC dismissal of a reconsideration request: request OMHA review within 60 days of receipt, or ask the QIC to vacate the dismissal within six months.

• ALJ dismissal: request Council review within 60 days of receipt.

When appealing a dismissal, focus on why the good cause finding was wrong, and include any additional evidence supporting your explanation.

A Hypothetical Example

A home health agency misses the 180-day deadline to request reconsideration for several claims. The agency discovers that the redetermination decisions were mailed to a post office box it closed after updating its correspondence address in PECOS. The agency submits reconsideration requests with a good cause statement that includes:

• A timeline showing the PECOS update date, the redetermination decision dates, and the date the agency discovered the decisions through the MAC portal.

• A copy of the PECOS confirmation showing the address change before the decisions were issued.

• Evidence that the post office box was closed.

• A statement that the agency filed the reconsideration requests within two weeks of discovering the decisions.

The QIC finds good cause because the agency did not receive the notices despite properly updating its address, and processes the reconsiderations.

A Sample Good Cause Statement Outline

• Heading: provider name, NPI, contact information, date.

• Re: Request for Extension of Time to File for Good Cause; beneficiary name and Medicare number; claim number; date of notice.

• Paragraph 1: State that the enclosed appeal is being filed after the deadline and that you are requesting an extension for good cause.

• Paragraph 2: Provide the timeline of key dates.

• Paragraph 3: Explain the specific circumstances that prevented timely filing, tied to the regulatory factors.

• Paragraph 4: Describe the steps taken once the obstacle was removed and the date the appeal was filed.

• Paragraph 5: List the supporting evidence enclosed.

• Closing: Request that the extension be granted and the appeal be processed on its merits.

• Signature and contact information.

Keep a Record of Every Good Cause Request

Track every request you file, the reason given, the evidence submitted, and the outcome. Patterns can reveal process weaknesses, such as recurring mail problems, that should be fixed to prevent future late filings.

Good Cause and Beneficiaries

Beneficiaries who appeal on their own behalf often have more situations that may qualify for good cause, such as illness, family emergencies, language barriers, or the need for help from a State Health Insurance Assistance Program. CMS's late filing page specifically recognizes delays caused by needing help from outside resources and by physical, mental, educational, or language limitations. Providers assisting beneficiaries should help them document these circumstances.

How to Avoid Needing a Good Cause Extension

Prevention is always better than relying on good cause:

• Keep correspondence and medical review addresses current in PECOS.

• Monitor MAC portals for decisions and notices.

• Log every notice the day it arrives.

• Calculate deadlines immediately, including recoupment windows.

• Set internal targets well before official deadlines.

• Use electronic filing and confirm receipt.

• Supervise billing companies and consultants and require them to report deadlines and filings.

• Include appeals in business continuity and disaster recovery plans.

• Train backup staff to cover absences.

Frequently Asked Questions

What counts as good cause for a late Medicare appeal?

Examples in the regulations include serious illness, a death or serious illness in the immediate family, records destroyed by fire or accident, incorrect information from the contractor, not receiving the notice, and timely filing with the wrong government agency in good faith. The decision is made case by case.

Can a provider get a good cause extension because of staffing problems?

Generally not. Contractor guidance indicates that business office problems and failures by billing companies or consultants do not establish good cause.

How do I request an extension?

In writing, with the appeal request, explaining why the appeal was late and including supporting evidence. At the ALJ level, OMHA provides Form OMHA-103.

Does a good cause extension restore recoupment protection?

Not necessarily. The limitation on recoupment depends on filing within the 30- and 60-day windows. Consult counsel if recoupment is a concern.

What if my good cause request is denied?

The appeal will be dismissed, and you may appeal the dismissal to the next level within the stated deadline.

How long after the obstacle ends should I file?

As soon as possible. Prompt filing once the obstacle is removed supports your request. Long delays after the obstacle ends weaken it.

Can the same good cause explanation be used at every level?

The explanation applies only to the late filing at that level. Each level has its own deadline, and you must meet it or show good cause again.

Do I need to submit medical records to prove illness?

Provide enough evidence to support the explanation, but avoid unnecessary sensitive details. A brief statement from a physician or other supporting document may be sufficient, depending on the circumstances.

Conclusion

A good cause extension can rescue a late Medicare appeal, but only when the appellant shows, in writing and with evidence, that circumstances beyond their reasonable control prevented timely filing. The regulations identify specific factors and examples, such as serious illness, destroyed records, incorrect contractor information, and non-receipt of notices. Providers face a higher bar, and routine business problems generally do not qualify. By writing a clear, chronological, evidence-supported good cause statement, filing promptly once the obstacle ends, and knowing how to appeal a dismissal, providers can preserve appeal rights when the unexpected happens. The best approach, however, is a strong deadline management system that makes extensions unnecessary.

How HealthBridge Can Help

HealthBridge is a healthcare management consulting firm that helps providers evaluate late appeals, prepare good cause statements and supporting evidence, appeal dismissals, and build deadline management systems that prevent missed deadlines. If you have missed a Medicare appeal deadline, please get in touch with us. We will be happy to help you with this topic.

References

• Centers for Medicare & Medicaid Services. Medicare Appeals Good Cause for Late Filing. https://www.cms.gov/appeals-late-filing

• Centers for Medicare & Medicaid Services. Second Level of Appeal: Reconsideration by a Qualified Independent Contractor. https://www.cms.gov/medicare/appeals-grievances/fee-for-service/second-level-appeal

• Centers for Medicare & Medicaid Services. Form CMS-20033, Medicare Reconsideration Request Form. https://www.cms.gov/medicare/cms-forms/cms-forms/downloads/cms20033.pdf

• Centers for Medicare & Medicaid Services. Fourth Level of Appeal: Review by the Medicare Appeals Council. https://www.cms.gov/medicare/appeals-grievances/fee-for-service/fourth-level-appeal

• Centers for Medicare & Medicaid Services. Medicare Claims Processing Manual, Chapter 29, Appeals of Claims Decisions. https://www.cms.gov/regulations-and-guidance/guidance/manuals/downloads/clm104c29.pdf

• U.S. Department of Health and Human Services, Office of Medicare Hearings and Appeals. Request an ALJ Hearing. https://www.hhs.gov/about/agencies/omha/filing-an-appeal/coverage-and-claims-appeals/request-an-alj-hearing/index.html

• U.S. Department of Health and Human Services, Departmental Appeals Board. Medicare Appeals Council Decision on Good Cause for Late Filing (October 2, 2009). https://www.hhs.gov/sites/default/files/static/dab/decisions/council-decisions/khourty_case.pdf

• Electronic Code of Federal Regulations. 42 CFR 405.942, Time Frame for Filing a Request for a Redetermination. https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-405/subpart-I/subject-group-ECFR3ec6343ada14c59/section-405.942

• Electronic Code of Federal Regulations. 42 CFR 405.962, Timeframe for Filing a Request for a Reconsideration. https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-405/subpart-I/subject-group-ECFR533a2e506b78025/section-405.962

• Electronic Code of Federal Regulations. 42 CFR 405.980, Reopening of Initial Determinations, Redeterminations, Reconsiderations, Hearings, and Reviews. https://www.ecfr.gov/current/title-42/section-405.980

• Electronic Code of Federal Regulations. 42 CFR 405.1028, Prehearing Case Review of Evidence Submitted by the Appellant. https://www.ecfr.gov/current/title-42/section-405.1028

• Electronic Code of Federal Regulations. 42 CFR 405.379, Limitation on Recoupment of Provider and Supplier Overpayments. https://www.ecfr.gov/current/title-42/section-405.379

• Centers for Medicare & Medicaid Services. Provider Enrollment, Chain, and Ownership System (PECOS). https://www.cms.gov/medicare/enrollment-renewal/providers-suppliers/chain-ownership-system-pecos