What is the function of the processor control number (PCN)?

The processor control number (PCN) functions primarily to provide additional information about the insurance benefits for a claim. This number is essential in the processing of healthcare claims, particularly those involving pharmacy services. It serves as an identifier that insurance companies use to route the claim information correctly and apply the appropriate benefits based on the patient's specific insurance plan.

While the other options touch upon important aspects of pharmacy practice and healthcare, they do not accurately describe the role of the PCN. For instance, tracking drug inventory levels involves different systems and protocols related to managing stock medications, whereas verifying physician credentials is handled through licensing boards or credentialing processes that are separate from the pharmacy billing system. Coordinating patient medical records primarily focuses on the organization and security of patient information rather than insurance claims processing. Thus, the function of the PCN as an identifier for insurance benefit details is crucial for the accurate and efficient handling of pharmacy claims.