Interprofessional Roles — Differentiate roles and responsibilities within interprofessional teams and coordinate referrals appropriately

The concept of interprofessional collaboration in healthcare has evolved considerably over the past century, driven by growing recognition that complex patient needs cannot be adequately addressed by any single discipline working in isolation. Early healthcare delivery operated under a strictly hierarchical, physician-centered model in which nurses, therapists, and other providers functioned as subordinate executors of physician orders rather than as autonomous contributors to the care plan. The fragmentation that resulted from this siloed approach frequently led to duplicated services, conflicting goals, and gaps in patient care that compromised outcomes. As the rehabilitation professions matured—occupational therapy among them—the healthcare system began to acknowledge that each discipline brings a unique lens, and that integrating these perspectives produces measurably better results for the individuals served.

The central question that this lesson addresses is both practical and conceptual: How does an occupational therapist identify the boundaries and overlaps among team members' scopes of practice, and when should a referral be initiated to ensure comprehensive, client-centered care? Mastery of this question is essential for NBCOT exam success and, more importantly, for effective clinical practice in settings ranging from acute care hospitals to community-based programs.

Effective interprofessional collaboration rests on a set of foundational principles articulated by the Interprofessional Education Collaborative (IPEC). These competencies are not abstract ideals; they translate directly into clinical behaviors that occupational therapists demonstrate daily when planning interventions, communicating with physicians, coordinating with social workers, or deciding whether a client's needs warrant a referral to speech-language pathology or physical therapy. Understanding these principles allows the OTR to function not merely as a technician executing isolated treatment plans but as an integrative team member who contributes to holistic outcomes across the continuum of care.

The hub model illustrated above reflects contemporary best practice in interprofessional care. Notice that every discipline connects directly to the client, rather than routing all communication through the physician. This structure embodies a collaborative model (sometimes called a transdisciplinary or interdisciplinary model, depending on the degree of role sharing) in which the OTR is expected to initiate referrals when assessment findings suggest that another discipline's expertise would benefit the client. For example, if during an ADL evaluation the OTR observes signs of dysphagia—such as coughing during meals or a wet vocal quality—the appropriate action is to refer to the SLP for a formal swallowing evaluation rather than attempting to assess or treat the swallowing deficit independently. This delineation of scope protects both the client and the practitioner.

Team Models Along the Collaboration Continuum

Interprofessional teams are not monolithic; they operate along a continuum defined by the degree of role overlap, communication frequency, and shared decision-making authority. Understanding where a given clinical team falls on this continuum helps the OTR calibrate expectations and communication strategies appropriately. Three primary models are commonly referenced in the healthcare literature: the multidisciplinary model, the interdisciplinary model, and the transdisciplinary model. Each carries distinct implications for how role boundaries are maintained, how referrals are initiated, and how the care plan is ultimately constructed.

The Referral Decision Process

Knowing when and how to refer is a critical competency. The OTR initiates a referral when clinical observation or standardized assessment reveals a client need that falls outside the occupational therapy scope of practice or when a discipline-specific evaluation would enhance the accuracy of the overall care plan. The referral process generally follows a structured pathway: the OTR identifies the concern during evaluation or intervention, documents the clinical rationale in the medical record, communicates directly with the receiving provider using a standardized framework such as SBAR (Situation, Background, Assessment, Recommendation), and follows up to ensure continuity of care. In many settings, referrals also require a physician order, so the OTR may need to communicate the recommendation to the attending physician as part of the process.

For the NBCOT exam and for clinical practice, it is essential to clearly differentiate the scope of practice of the OTR from that of other commonly encountered interprofessional team members. The table below provides a concise reference, but remember that scopes of practice may vary by state licensure law and institutional policy. The key principle is that the OTR's unique domain is enabling participation in meaningful occupations—activities of daily living (ADLs), instrumental activities of daily living (IADLs), education, work, play, leisure, social participation, and rest/sleep—through the therapeutic use of activities, occupations, environmental modification, and adaptive equipment.

Consider the following clinical scenario, which is representative of the type of case-based reasoning tested on the NBCOT examination and encountered daily in rehabilitation settings.

Each interprofessional team model offers distinct advantages and presents certain challenges. The choice of model is often dictated by the clinical setting, population served, and reimbursement structures rather than by the team's preference alone. Understanding these trade-offs equips the OTR to advocate effectively for optimal team structures and to adapt their practice when the organizational context shifts.

As healthcare delivery continues to evolve, the interprofessional landscape is expanding beyond traditional rehabilitation settings. Occupational therapists are increasingly embedded in primary care, telehealth teams, community health programs, population health initiatives, and interprofessional education (IPE) faculty roles. In these emerging contexts, the OTR must be prepared to articulate the value of occupational therapy to professionals who may be less familiar with the discipline, and to navigate referral systems that may not have established OT pathways. Understanding how these advanced contexts reshape interprofessional dynamics prepares the OTR for practice beyond the NBCOT exam.

In these advanced contexts, the OTR's ability to articulate OT's distinct value proposition becomes even more critical. The Occupational Therapy Practice Framework (OTPF-4) serves as the definitive resource for communicating OT's domain and process to interprofessional colleagues. When a physician in primary care asks, "What exactly does OT do that PT doesn't?" the OTR should be prepared to explain that OT's lens is always occupation-based: the focus is on enabling the client to engage in the activities that give their life meaning, using activity analysis, environmental modification, and client-centered goal-setting as the primary tools. This articulation is not merely professional advocacy—it is a patient safety issue, because unclear role boundaries lead to gaps in care.