Objective: to analyze the concept of telenursing. Methods: this is an integrative review based on the Concept Analysis model, conducted in the LILACS, CINAHL, SCOPUS, Web of Science and MEDLINE/PubMed databases, using the descriptors Telenursing, Remote Consultation and Nursing. Results: 37 studies were analyzed, identifying among the antecedents the scientization of nursing care, advances in health informatics and the dissemination of telehealth and telemedicine. Regarding attributes, the use of Information and Communication Technologies in nursing care, telemonitoring, low cost, reliability and availability stand out. The most common consequences point to better establishment of the link between patient and nurse, expansion of care coverage, health promotion, and better adherence to treatment. Conclusion: scientific evidence contributed to the formulation of the concept of telenursing, which consists of the incorporation of Information and Communication Technologies in nursing care through technological products and processes, in order to meet health needs. Contributions to practice: it contributes to the innovation of nursing care, since it elucidates the scientific subsidies necessary for understanding and discussing telenursing as an emerging phenomenon, as well as presenting the basic components of the concept.