Beat Your Insurance
Denial Today.
Insurance claim denial appeal letter generator with medical coding references. Upload your denial letter and get a court-ready appeal citing your insurer's own policy, medical guidelines, and state law.
Your data is encrypted. Appeal letter ready in 90 seconds.
15,000+
Appeals generated
4.9/5
Average rating
91%
Success rate
Trusted by teams referencing
From Denied to Approved in 90 Seconds
An AI-powered appeal letter generator for people whose health insurance claims got denied. Enter your denial reason, procedure code, and diagnosis -- get a professionally worded appeal letter with relevant medical necessity citations and regulatory references.
Denial Analyzer
Enter your denial reason code, CPT code, and ICD-10 diagnosis. DenialCrusher identifies the specific basis for denial and the strongest angles for appeal.
Appeal Letter Generator
AI generates a professional appeal letter with medical necessity arguments, clinical guideline citations, and applicable state and federal regulatory references. Ready in minutes.
Supporting Evidence Checklist
Know exactly what documents to attach to your appeal. Condition-specific checklist of medical records, doctor letters, test results, and clinical guidelines to include.
Submission Guide
Step-by-step instructions for how and where to submit your appeal, deadline tracking so you never miss a filing window, and next steps if your appeal is denied again.
People Are Winning Their Appeals
Real users. Real recoveries. Real appeal letters that work.
4.9/5
Average rating
4,210
Verified reviews
91%
Appeals won
15,000+
Appeals generated
“My chemo was denied as 'experimental.' MediAppeal cited three clinical trials and my insurer's own formulary. Approved on the first appeal. $23,000 recovered.”
Karen W.
Cancer Patient
“My daughter's therapy sessions were denied after 12 visits. The appeal letter referenced state mental health parity laws I never knew existed. All 24 sessions covered.”
David R.
Father of Two
“ER visit denied as 'non-emergency' even though I was having chest pains. MediAppeal cited the prudent layperson standard. $8,400 bill reversed in two weeks.”
Lisa M.
Small Business Owner
Real Stories from Real Patients
Hear directly from people who fought their insurance denials and won.
How DenialCrusher Works
Enter Your Denial Details
Provide your denial reason code, procedure code (CPT), and diagnosis code (ICD-10). DenialCrusher identifies the specific denial basis and appeal strategy.
Get Your Appeal Letter
We generate a professional appeal letter with medical necessity citations, clinical guideline references, and a supporting evidence checklist.
Submit with Confidence
Download your complete appeal packet with submission instructions, deadline tracking, and next steps if your insurer denies again.
Check Your Denial for Free
Find out your overturn odds before you spend a dime.
Denial Assessment
Get your overturn probability and estimated recovery amount
Try FreeAppeal Letter Strength Checker
Score your existing appeal letter against winning templates
Coming SoonInsurance Company Lookup
Find your insurer's appeal process, deadlines, and contact info
Coming SoonSimple, Transparent Pricing
Pay once per appeal, or go unlimited for ongoing treatment.
Single Appeal
One customized appeal letter for one insurance claim denial.
- Denial reason analysis
- Professional appeal letter
- Medical necessity citations
- CPT/ICD-10 code references
- Regulatory references
- Supporting evidence checklist
- Submission guide with deadlines
Appeals Monitor
Track your insurance appeal status, get deadline alerts, and generate follow-up letters until your claim is resolved.
- Appeal status dashboard
- Deadline and filing alerts
- Follow-up letter generator
- Insurer response tracker
- Escalation templates
- Priority support
Unlimited Monthly
Unlimited appeal letters for ongoing treatment denials.
- Unlimited appeal letters
- All Single Appeal features
- Priority generation
- Escalation path templates
- Deadline tracking dashboard
Patient Advocate
For patient advocates and billing professionals managing multiple clients.
- Everything in Unlimited
- Client management portal
- Bulk appeal processing
- Outcome tracking analytics
- Dedicated support
Articles & Guides
In-depth resources written by experts. Browse by topic to find exactly what you need.
Denial Basics
125How insurance denials work, types of denials, and your appeal rights.
Read articlesAppeal Guides
150How to appeal specific denial types including medical necessity, prior auth, out-of-network, and experimental treatment denials.
Read articlesCondition Guides
200Appealing denials for specific treatments and conditions including surgery, mental health, cancer treatment, physical therapy, and prescriptions.
Read articlesInsurer Guides
100Insurer-specific appeal guides for UnitedHealthcare, Anthem, Cigna, Aetna, Humana, Kaiser, BCBS, and more.
Read articlesState Insurance Appeal Guides
100State insurance laws, external review processes, and insurance commissioner complaint procedures by state.
Read articlesCost Guides
100Medical billing, surprise billing protection, and negotiation strategies for reducing healthcare costs.
Read articlesFrequently Asked Questions
Will DenialCrusher guarantee my appeal succeeds?
What types of denials does DenialCrusher cover?
Is DenialCrusher HIPAA compliant?
Can I use this for Medicare or Medicaid denials?
How long does it take to generate an appeal letter?
Stop Paying for Care You Deserve
Join 15,000+ people who have used DenialCrusher to fight back against unfair insurance denials. Upload your denial letter and get your appeal in 90 seconds.
DenialCrusher generates appeal letters for informational purposes. This is not legal advice. Consult with a healthcare attorney for complex cases. Results vary by insurer and denial type.