What Makes Mental Health Claims so Difficult to Resolve?

A back strain comes in and, at first, the claim seems fairly routine. But six months later, the file is still open. Treatment continues without a clear endpoint. Communication becomes inconsistent. Return-to-work progress stalls. As the file grows, the path to resolution gets harder to define.

In many of these cases, an underlying behavioral or psychological component was not identified early enough to address.

Mental health is no longer a peripheral issue in claims management. It is increasingly central to why some claims resolve predictably while others become prolonged, expensive, and difficult to manage. Understanding how behavioral health impacts claim duration, treatment compliance, return-to-work outcomes, and litigation risk is no longer optional. It is a core competency in managing complex claims.

The Three Ways Mental Health Appears in Claims

Not all mental health claims are the same. There are three primary claim types:

Physical-Mental Claims

These are the most common and typically the most straightforward from a coverage standpoint. A worker suffers a physical injury, such as a fracture, surgery, or serious accident, and then develops depression, anxiety, or PTSD during recovery.

If the physical claim is accepted and the psychological condition is properly diagnosed and documented, the mental health component is often included in treatment. These claims are generally more predictable but still require monitoring for psychological decline during prolonged recovery or rehabilitation.

Mental-Physical Claims

These are cases where workplace stress or trauma is alleged to have contributed to a physical condition, such as a stress-induced cardiac event, stress-related gastrointestinal disorders, or other psychosomatic presentations.

The causal chain is harder to establish, making these cases more fact-specific and documentation-heavy, with outcomes that vary widely by jurisdiction.

Mental-Only Claims

These involve psychological injury, such as PTSD, acute stress disorder, or major depressive disorder, stemming from a workplace psychological event, without a physical injury. Consider a first responder who develops PTSD after repeated trauma exposure, or workers who witness a serious workplace accident.

These claims often rely on expert clinical opinions and are frequently contested due to varying state compensability standards.

Why Mental Health Claims Are Difficult to Close

Mental health claims often stall because multiple small barriers compound over time.

One of the most common challenges is that recovery slows without a clear medical explanation. The physical injury may appear to be improving, but progress plateaus. Treatment continues, communication becomes inconsistent, and return-to-work discussions lose momentum. In many cases, the underlying driver isn’t a formal psychiatric diagnosis, but psychosocial risk factors that are not always captured in the medical record.

Research from the Workers Compensation Research Institute (WCRI) has identified several of the most common psychosocial risk factors in workers’ compensation claims, including fear of reinjury, catastrophizing, poor recovery expectations, perceived injustice, poor coping, and low social support. These factors can significantly delay recovery even in the absence of a diagnosed mental health condition.

The difficulty for claims professionals is that these issues are often invisible in standard documentation. A physician may continue authorizing treatment based on reported pain levels, while the behavioral factors preventing recovery go unaddressed. Over time, this results in continued care without meaningful improvement.

Communication adds another layer of complexity. Depression, anxiety, and PTSD can affect how injured workers engage with the system, leading to missed calls, delayed responses, or inconsistent communication. These behaviors are often misinterpreted as disengagement rather than symptoms of distress. At the same time, stigma can prevent injured workers from fully disclosing psychological symptoms, limiting the visibility of the true clinical picture.

Return-to-work planning becomes more difficult for similar reasons. Psychological conditions can directly impact motivation, confidence, and perceived safety in returning to work. Even when a medical provider clears a worker for duty, emotional readiness may lag behind physical recovery, creating delays that are not captured in functional assessments alone.

The result is a claim that appears medically stable on paper but remains functionally stalled in practice. Without early identification and behavioral health intervention, these claims tend to extend in duration, increase in complexity, and require more intensive management over time.

Why Mental Health Claims Matter

The impact of mental health in workers’ compensation is not just clinical; it is measurable in both cost and duration.

According to the National Council on Compensation Insurance (NCCI), claims involving a mental health component are approximately 2.5 times more expensive than those without. In practical terms, the presence of behavioral health factors can significantly change the financial trajectory of an otherwise routine claim.

That impact is also visible in duration and disability days. A comparative analysis using the Official Disability Guidelines found that a standard low back injury without comorbidities averaged about 43 days and $13,400 in costs. When mental health factors were added to the same injury profile, recovery extended to approximately 82 days and costs rose to roughly $25,300, nearly doubling both duration and expense.

Broader system trends reflect the same pattern. According to Travelers’ 2025 Injury Impact Report, as covered by Risk & Insurance, average lost workdays in workers’ compensation claims have increased to around 80 days, with comorbidities present in the majority of complex claims. Claims involving comorbidities are also significantly more likely to become high-cost and difficult-to-resolve cases.

The earlier behavioral health factors are identified, the more opportunity there is to intervene before they influence claim trajectory, extend duration, or increase complexity.

Early recognition of behavioral health factors can change the trajectory of a claim. If you’re looking to strengthen outcomes with experienced case management support, connect with our team.

Check out our sources:

“3 Types of Workers’ Comp Mental Health Concerns and How to Address Them Before They Drive Up Claim Costs.” Risk & Insurance, 3 Oct. 2024, https://riskandinsurance.com/3-types-of-workers-comp-mental-health-concerns-and-how-to-address-them-before-they-drive-up-claim-costs/.

“A Primer on Behavioral Health Care in Workers’ Compensation.” Workers Compensation Research Institute (WCRI), 16 Aug. 2022, https://www.wcrinet.org/reports/a-primer-on-behavioral-health-care-in-workers-compensation.

“Navigating the Complex Terrain: Workers’ Compensation for Mental Health Issues.” Case Management Society of America, 22 Jan. 2024, https://cmsatoday.com/2024/01/22/navigating-the-complex-terrain-workers-compensation-for-mental-health-issues/.

“NCCI Reports on Workers’ Comp Reforms and Trends in 2024.” Insurance Business America, 9 Sep. 2024, https://www.insurancebusinessmag.com/us/news/workers-comp/ncci-reports-on-workers-comp-reforms-and-trends-in-2024-504799.aspx.

“The Current State of Complex Claims in Workers’ Compensation: Understanding the Drivers of Rising Costs and Duration.” Risk & Insurance, 24 Nov. 2025, https://riskandinsurance.com/the-current-state-of-complex-claims-in-workers-compensation-understanding-the-drivers-of-rising-costs-and-duration/.

“Untangling Mental-Mental Claims: Challenges and Best Practices for Workers’ Compensation Professionals.” WorkersCompensation.com, 19 Dec. 2025, https://www.workerscompensation.com/daily-headlines/untangling-mental-mental-claims-challenges-and-best-practices-for-workers-compensation-professionals/.

“WCRI: Poorer Recovery Seen Among Injured Workers with Psychosocial Risk Factors.” Workers Compensation Research Institute, 27 Mar. 2024, https://www.wcrinet.org/news/news_info/wcri-poorer-recovery-seen-among-injured-workers-with-psychosocial-risk-factors.