Bernadette Cattaneo runs an addiction center in rural Sierra, California. The Lakes is one of the few in the region.
To say the state has an addiction problem is a vast understatement. It’s a full-blown crisis. Governor Gavin Newsom claims to have confiscated more than 5.8 million fentanyl pills from January 2024 to May 28, 2024, alone.
When Cattaneo received a letter from a prominent insurance company notifying her that The Lakes would no longer be included in its network, she was devastated. The insurer didn’t offer much clarity on its decision.
Cattaneo, however, had her suspicions. During a July 2025 interview, she told Cal Matters that over the past several years, she had advocated for her patients after the company repeatedly rejected their claims.
According to court records, Cattaneo helped 49 clients win 54 of their appeals. A coincidence that The Lakes was removed from the network after the successful appeals? She thinks not.
Coming Up Short
There’s a common thread playing out across the U.S. Behavioral treatment centers believe that major health insurers are threatening their ability to stay in business. As a result, many are left with little choice but to accept lower reimbursements or not be repaid at all.
How do you not fall into any of these categories? Insurance claim denials are already one of the most frustrating (and costly) challenges mental health counselors face.
You’ve done the clinical work, supported your client, and documented the session. And then reimbursement is delayed or denied. The administrative headache impacts revenue cycles, client continuity, and overall practice sustainability.
Bernadette Cattaneo’s case is the extreme version. Many denials are preventable. Stronger billing practices, better documentation, and a proactive approach to compliance can reduce claim rejections and improve approval rates.
Understanding Why Claims Get Denied
To fix the issue, it helps to understand the root causes.
Denials in behavioral health are mostly tied to a mix of administrative errors and payer-specific requirements. Common reasons include:
- Incorrect or missing patient information
- Lack of medical necessity documentation
- Coding errors (CPT/ICD mismatches)
- Authorization issues
- Late submissions
Insurance claim experts also add that behavioral health claims are more vulnerable due to stricter payer scrutiny and progressing policy requirements.
Why Behavioral Health Is Susceptible
Mental health services are subjectively compared to other medical fields. Insurers may question:
- Duration of therapy
- Frequency of sessions
- Ongoing medical necessity
The American Psychological Association (APA) states that coverage inconsistencies and policy limitations frequently complicate reimbursement.
Strengthening Documentation for Medical Necessity
One area you can’t afford to be casual about is documentation.
Psychiatrist Dr Karen Pierce says that she desperately required authorization from a patient’s health insurance company to place her on new treatment. Dr Pierce included evidence in a medical necessity letter to an insurance company. Because she was able to motivate, the therapy was approved three times a week.
“This girl got better within six weeks, was able to go back to school, and eventually tapered the therapy to once a week. And she didn’t have to be hospitalized.” – Dr Karen Pierce, M.D., an adolescent psychiatrist.
What ‘Medical Necessity’ Means
Insurers want clear proof that:
- The diagnosis is valid
- Treatment is appropriate
- Progress is measurable
Vague or generic notes are a leading cause of rejected claims.
Best Practices for Clinical Notes
Tie every session back to a treatment plan. Use measurable goals, not only “client improvement.”
Document symptom severity and functional impairment. Show progression or justify the lack of it.
Think of your notes as both a clinical and legal document. If a reviewer can’t clearly see why care is necessary, the claim is at risk.
Getting Coding Right the First Time
Coding errors are low-hanging fruit in claim denials.
Common Coding Pitfalls
Any small inconsistency can trigger automatic denials. Others are:
- Mismatched CPT and ICD-10 codes
- Using outdated codes
- Incorrect session duration codes
- Missing modifiers
How to Improve Coding Accuracy
- Regularly update your coding knowledge
- Use EHR systems with built-in validation
- Conduct internal audits
- Train staff consistently
Proactive coding accuracy reduces rework and speeds up reimbursements.
Prior Authorization and Eligibility Checks
Skipping verification steps is one of the fastest ways to get denied.
What Needs to Be Verified
- Insurance eligibility
- Covered services
- Session limits
- Authorization requirements
Missing a pre-authorization (even for valid services) almost guarantees a rejected claim.
Build a Pre-Visit Workflow
Strong practices include:
- Automated eligibility checks
- Verification checklists
- Staff accountability systems
It might be extra work upfront, but it saves hours of appeals later.
Compliance and Ethical Billing Practices
Reducing denials is also about staying compliant.
Key Compliance Areas
Clinical mental health counselors are equipped with foundational knowledge during their studies. An online Master’s in Mental Health Counseling is the preferred pathway for those who favor online coursework without sacrificing their jobs.
A mental health counseling degree trains counselors to adhere to compliance. They are taught an accurate representation of services and how to maintain HIPAA standards.
Non-compliance can result in audits, financial penalties, and reputational damage. St. Bonaventure University states that most CACREP-accredited online counseling programs delve into the business of counseling.
Timely Filing and Clean Claims
Timing matters more than many providers realize.
Filing Deadlines Are Non-Negotiable
Each payer has strict submission windows. Miss them, and the claim is permanently denied. Clean claims are processed faster and are far less likely to be rejected. Ensure they are:
- Complete
- Accurate
- Submitted within deadlines
- Free of errors
Leveraging Technology and AI
A study published in AJMC found that claim denials are largely driven by data inaccuracies, staffing shortages, and outdated technology.
About 41% of providers are experiencing denial rates of 10% or higher. Fortunately, healthcare billing is getting smarter, and mental health providers should take advantage of that.
Many organizations are turning to AI tools to detect coding errors, flag missing documentation, and predict denial risks.
Practical Tech Tools to Consider
- AI-powered billing platforms
- Automated claim scrubbing tools
- Real-time eligibility verification systems
These tools don’t replace human oversight. However, they reduce manual errors.
Building a Strong Denial Management Process
Some claims will still get denied, even with the best systems. What matters is how you respond.
Your team should:
- Track denial reasons
- Categorize trends
- Appeal quickly with supporting documentation
Systemic denial patterns can affect patient care, making efficient appeals critical.
Learn From Every Denial
Each denial is data. Use it to improve workflows, adjust documentation practices, and train staff. Over time, these methods reduce repeat errors.
FAQs
What is the most common reason for mental health claim denials?
The most common reason is insufficient documentation of medical necessity, followed closely by coding errors and missing authorizations.
How can counselors prove medical necessity effectively?
Link session notes to treatment goals. Document measurable progress. Clearly outline symptom severity and functional impairment.
Are AI tools helpful in reducing claim denials?
Yes. AI tools can identify errors, flag incomplete claims, and predict denial risks before submission, improving approval rates.
What should I do if a claim is denied?
Review the denial reason. Gather supporting documentation and submit an appeal promptly. Also, analyze the issue to prevent future denials.
Key Statistics Summary
Topic | Statistic | Source |
California Counterdrug Task Force operation | More than 5.8 million fentanyl pills were seized from January 2024 to May 28, 2024 | Governor Gavin Newsom’s official website |
Insurance challenges | Coverage inconsistencies frequently affect mental health services | APA |
AI in healthcare | 41% of providers experience denial rates of 10% or higher | AJMC |
Denial trends | Systemic denial patterns can impact patient care access | Healthcare Uncovered |
Reducing Insurance Claim Denials
Insurance claim denials aren’t random. They’re usually predictable and preventable.
By tightening documentation, improving billing practices, leveraging technology, and maintaining compliance, you can lower your rejection rates.
It’s not about perfection. It’s about building systems that catch mistakes before insurers do.