ICD-10 Code I82.70 – Chronic embolism and thrombosis of unspecified veins of upper extremity (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I82.70 – Chronic embolism and thrombosis of unspecified veins of upper extremity
What it is
This code identifies a long-standing blood clot or embolus in a vein of the upper extremity, such as the arm or shoulder region, when the specific vein is not documented. It indicates a chronic venous obstruction rather than an acute event.
Clinical signs
Findings may include arm swelling, pain, heaviness, or visible collateral veins. Clinical features vary; refer to documentation, especially imaging or provider statements confirming chronic venous thrombosis or embolism.
When to use this code
Use I82.70 when the record clearly documents chronic embolism or thrombosis in an unspecified upper-extremity vein. Choose it when the provider identifies the condition as chronic but does not name a more specific vein. Check documentation if laterality or vein location is unclear.
Do not use for
Do not use this code for acute upper-extremity thrombosis or for thrombosis in a specifically named vein if a more precise code is available. Do not assign it when the documentation only suggests history of clot without current chronic disease.
Coding tip
Confirm that “chronic” and “upper extremity” are both documented before assigning I82.70.