Stages There are four primary stages of lymphedema that each impact the body in different ways. They are categorized according to severity and run from subclinical to severe.Work with your physician and therapist to determine your stage of lymphedema. Together, you will build a plan that is right for you. STAGE 0 LATENCY OR SUBCLINICAL STAGE. Stage 0 is a subclinical stage where swelling is not visible to the eye or even measurements.