Cardiovascular (I00-I99).
- Leg edema in heart failure (cardiac insufficiency) (right heart failure).
- Leg vein thrombosis (deep vein thrombosis, TBVT) [when acute, i.e., acute, new symptoms].
- Ulcus cruris arteriosum – lower leg ulcer, which is caused by peripheral arterial occlusive disease (pAVK) / progressive narrowing or occlusion of the arteries supplying the arms / (more often) legs, usually due to atherosclerosis (arteriosclerosis, arteriosclerosis).
Genitourinary system (kidneys, urinary tract – sex organs) (N00-N99).
- Leg edema in renal insufficiency (kidney weakness).
Further
- Leg swelling, unspecified
- Drug-induced or idiopathic edema (swelling, water retention).
