I80: Phlebitis and thrombophlebitis

I80.2: Phlebitis and thrombophlebitis of other deep vessels of lower extremities

Phlebitis and thrombophlebitis of other deep vessels of lower extremities pertain to inflammations in the deep veins, specifically in the legs. This condition happens when there is a blood clot, causing inflammation in the vein. Symptoms can vary from mild to severe, and while some individuals may not experience any, common signs usually include redness, swelling, warmth, and pain in the affected area. This condition is not typically visible since it occurs in deep veins, so it is sometimes discovered only after serious complications arise like pulmonary embolism, where the blood clot travels to the lungs and blocks a particular vessel. Phlebitis and thrombophlebitis can occur as a result of extended periods of inactivity, such as long bed rest, or after certain surgical procedures. It's also more common in individuals with certain genetic clotting disorders or those who are overweight.