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What a Webinar on OCD Diagnosis Gets Right, What It Misses, and Why the Underlying Processes Matter More

Todd Schmenk, LMHC | March 2026

I recently saw another advertisement for a free webinar is coming up hosted a noteworthy Institute out of Texas. It promises two hours on identifying OCD subtypes, navigating differential diagnosis, and applying gold-standard treatment protocols. The intended audience is clinicians, providers, and school personnel. The goals are reasonable. The ethics framing is welcome. The attention to documentation and privacy is genuinely useful.  I see this type of marketing all the time.  I am sure you do as well. 

So why write a response to it?

I write because embedded in the very structure of this kind of training is an assumption worth examining: that getting the diagnosis right is the engine that drives effective clinical work. That once you identify the correct OCD subtype, or reliably differentiate OCD from a mood disorder or safety concern, you have what you need to help someone. That the label is the lever.

From a functional contextualist perspective, that assumption deserves a second look.

The Category Is Not the Cause

Diagnostic categories in the DSM are descriptive. They group behaviors and experiences by surface similarity. That grouping has real value for communication between providers, for insurance reimbursement, for research sampling, and for helping clients feel understood when a name fits their experience. These are not trivial benefits.

What diagnosis does not do is tell you why the behavior is happening for this person, in this context, with this history. It does not tell you what the behavior is in service of. It does not tell you what the person has tried, what has worked, what has made things worse, or what they actually want from their life. These are functional questions, and they do not live in the diagnosis.

In Acceptance and Commitment Therapy and the broader framework of contextual behavioral science, what drives the clinical work is not the category but the process. Specifically: what is this behavior doing? What is it in contact with? What does it cost? What does it protect? Where does it fit in the larger pattern of the person's life? These questions apply regardless of what the intake form says.

A person presenting with intrusive thoughts about harm to a loved one may carry an OCD diagnosis, or a trauma history, or a characterological pattern rooted in shame, or some combination of all three. What they have in common, almost always, is a relationship with their own inner experience that has become rigid and costly. The experiential avoidance looks different on the surface. The underlying functional pattern is often remarkably similar.

Transdiagnostic Is Not a Buzzword

ACT is described as transdiagnostic not as a marketing claim but as a functional statement. The processes it targets, including psychological flexibility, experiential avoidance, cognitive fusion, committed action, and values clarification, operate across conditions. They do not require a DSM code to engage.

This matters practically. Clinicians who are fluent in functional analysis and the ACT model do not need to master every diagnostic subtype to work effectively across a wide range of presentations. They need to understand what is happening functionally, what the behavior is contacting, and where movement is blocked. From that vantage point, the difference between an institutes presentations and contamination-themed OCD is less clinically decisive than it appears in a webinar outline.

This is not a claim that diagnosis is worthless. It is a claim that diagnosis is downstream from functional understanding and that fluency in the underlying processes is a more durable and transferable clinical investment than fluency in diagnostic subtypes.

The Industry Around Diagnosis

It would be unfair not to acknowledge what is also true: there is a significant industry built around diagnostic specificity. Training programs, certification tracks, subspecialty branding, and continuing education hours are organized around it. Insurance systems require it. Some clients find meaning in it. Researchers depend on it for replication and sampling integrity.

None of that is sinister. Much of it is structurally necessary given how the mental health system is built. The problem is not that the industry exists. The problem is when the industry convinces clinicians that mastering it is the same as mastering clinical effectiveness.

Spending two hours learning to differentiate OCD subtypes has real value in the right context. Spending years chasing diagnostic fluency at the expense of developing a deep functional lens is a different matter. The former is a tool. The latter can become a substitute for understanding.

The webinar under discussion is well-intentioned and likely genuinely useful within its scope. The concern is not with this specific event. The concern is with the broader pattern of clinical education that treats diagnostic sophistication as the ceiling of competence rather than the floor.

What to Measure Instead

One practical implication of a functional approach is that it changes what clinicians track over time. Diagnostic categories are static. A person either has OCD or they do not, within whatever threshold the clinician or assessment tool applies. That binary is not especially useful for tracking therapeutic movement.

Idiosyncratic functional measures are better. Track what the person avoids and at what cost. Track their behavioral flexibility in valued directions. Track the relationship between their inner experience and their actions. These are process variables, and they move in ways that diagnostic categories do not. They tell you whether something is actually changing, not just whether the presenting cluster still meets threshold.

This does not require elaborate instrumentation. The ACT-relevant processes can be tracked in supervision, in case conceptualization, and in session-by-session conversation with clients. What matters is that the clinician has a functional lens through which to interpret what they are observing, rather than sorting behavior into categories and waiting for the right protocol to follow.

The Practical Takeaway

If you are a clinician who regularly sees clients presenting with OCD-adjacent patterns, learning the diagnostic landscape is a reasonable thing to do. Understanding the phenomenology of intrusive thoughts, the difference between obsession and worry, and the common clinical errors in this population will make you a better-informed provider.

Do that. It is worth something.

Then invest in the underlying processes. Learn functional analysis well enough that you can apply it to any presentation, regardless of what the DSM says about it. Learn the ACT model not as a protocol to follow but as a way of seeing what is happening between a person and their experience. Build a functional vocabulary that transfers across populations, contexts, and conditions.

That investment compounds. Diagnostic fluency is relevant in a subset of cases. Functional fluency is relevant in all of them.

I am sure there will be plenty of free presentations in the future. If the topic like OCD overlaps with presentations that are common in your practice, attend it. Take what is useful. Then remember that what makes you effective is not the subtypes you can name. It is the processes you can see, and what you do next because you can see them.

About the Author

Todd Schmenk is a Licensed Mental Health Counselor in Massachusetts and Rhode Island, founder of RIACT (riact.org), and host of the Deeply Functional podcast. His clinical and training work is grounded in Functional Contextualism, Relational Frame Theory, and ACT, with a focus on disseminating these frameworks beyond academic circles to reduce suffering and support human potential.