What does the ORU Message type transmit information about?

The ORU message type, which stands for "Observation Result Unsolicited," is specifically designed to transmit observation and result information from healthcare providers or systems. This includes clinical data such as lab results, diagnostic imaging results, and other key patient observations that may arise during the course of treatment.

The primary purpose of the ORU message is to facilitate the communication of these observation results without needing a prior request. It is often used in scenarios where results need to be reported back to ordering providers, ensuring timely access to vital patient data for decision-making.

The focus of ORU messages on observation results distinguishes it from other message types in the HL7 standard, which address different functions within healthcare information exchange, such as patient admissions, appointments, or updates to displayed information. This specific use case highlights the importance of effective data exchange in improving patient care and operational efficiency within healthcare settings.