One of several different systems of diagnosis in Chinese medicine. This system can be contrasted with San Jiao Diagnosis, Four Level Diagnosis, Eight Principles, and Six Channel Diagnosis. Zang Fu diagnosis is basically a synthesis of many of the other systems of diagnosis in TCM. It deals with signs and symptoms associated with dysfunctions of the Zang Fu organ systems. Zang Fu diagnosis is the most useful form of diagnosis for diseases of the internal organs, while San Jiao Diagnosis, Six Channel diagnosis, and Four Level diagnosis are more appropriately used to diagnose febrile diseases.