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2025 ICD-10-CM code I80.8

Phlebitis and thrombophlebitis of other sites.

Do not use I80.8 for phlebitis and thrombophlebitis of the upper or lower extremities.Use codes I80.0-I80.3 and I80.9 for lower extremity involvement, and I81 for upper extremity involvement.Code any underlying conditions or causes separately if applicable.

Medical necessity is established by the presence of signs and symptoms of phlebitis and thrombophlebitis, confirmed through appropriate diagnostic methods. The documentation should support the need for treatment and interventions to manage the condition and prevent complications such as further clotting or spread of infection.

Diagnosis and management typically fall under the purview of vascular specialists, internists, or general practitioners. Clinical responsibility includes confirming the diagnosis through physical examination, imaging studies (e.g., ultrasound, venography), and assessing the extent of the condition.Treatment may involve anticoagulants, anti-inflammatory medications, pain management, and compression therapy.

In simple words: This code indicates inflammation and clotting in veins located in areas other than the arms and legs.

This code encompasses phlebitis and thrombophlebitis affecting veins in locations other than the lower or upper extremities.It includes inflammation and clotting within the veins.

Example 1: A patient presents with pain, swelling, and redness along the chest wall.Imaging confirms superficial thrombophlebitis of a vein in the chest region, unrelated to any injury or central venous catheter. I80.8 is used for this diagnosis., Following a surgical procedure in the abdominal area, a patient develops a clot in a small vein in the surgical site. The physician documents phlebitis and thrombophlebitis of the abdominal wall.I80.8 is appropriate for this scenario., A patient with a history of intravenous drug use presents with signs of infection and inflammation in a vein in the neck. Imaging confirms thrombophlebitis of a neck vein. The appropriate diagnosis code would be I80.8.

Documentation should include the location and laterality of the affected vein(s), the presence of inflammation or clotting, any associated symptoms (pain, swelling, redness), and the method of diagnosis (physical exam, imaging studies).If associated with a procedure or other underlying condition, that should also be documented.

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