From an Internal Medicine class I taught.... Douglas Eisenstark

Zang Fu 2 summer 2000 Emperor's College

Diagnostics Methods of TCM

8 Principles
5 elements
Zang Fu
Qi & Blood
Fluids
Meridian/Symptomatic
Six Stages
Four Levels
Triple Burner

In addition, there are less main stream diagnostic and treatment methods (non-TCM) such as esoteric, I-Ching and Western differentiation based on (Western) scientific research.