In a collaborative practice agreement, does ordering lab tests related to managing patient drug therapy authorize the pharmacist to diagnose a disease?

• A. Yes
• B. No, it does not authorize diagnosis
• C. Only with physician approval
• D. Only in certain states

Answer: (B)

In a collaborative practice agreement, a pharmacist’s ability to order and use labs is tied to managing medication therapy. These labs help monitor safety and effectiveness, and guide adjustments in dosing or drug choice within the agreed protocol. But diagnosing a disease is a separate clinical determination that requires evaluating a patient’s signs, symptoms, and diagnostic criteria, not just lab results. Even when labs are ordered to support therapy, the pharmacist is acting to optimize treatment, not to establish a new disease state. The physician or other licensed provider retains the authority to make diagnoses, while the pharmacist contributes to care by interpreting lab results in the context of medication management.