Expect upper extremity changes for Oct. 1. NEW: Pulmonary Embolism " 416.2 -- Chronic pulmonary embolism. NEW: Chronic, Deep Vessels, Lower Extremity " 453.50 -- Chronic venous embolism and thrombosis of unspecified deep vessels of lower extremity " 453.51 -- & of deep vessels of proximal lower extremity " 453.52 -- & of deep vessels of distal lower extremity. NEW: Superficial Vessels " 453.6 -- Venous embolism and thrombosis of superficial vessels of lower extremity. NEW: Chronic, Upper Extremity and Thoracic " 453.71 -- Chronic venous embolism and thrombosis; of superficial veins of upper extremity " 453.72 -- & of deep veins of upper extremity " 453.73 -- &of upper extremity, unspecified " 453.74 -- & axillary veins " 453.75 -- & of subclavian veins " 453.76 -- & of internal jugular veins " 453.77 -- & of other thoracic veins " 453.79 -- & of other specified veins NEW: Acute, Upper Extremity and Thoracic " 453.81 -- Acute venous embolism and thrombosis; of superficial veins of upper extremity " 453.82 -- & of deep veins of upper extremity " 453.83 -- & of upper extremity, unspecified " 453.84 -- & of axillary veins " 453.85 -- & of subclavian veins " 453.86 -- & of internal jugular veins " 453.87 -- & of other thoracic veins " 453.89 -- & of other specified veins. REVISED: Acute, Lower Extremity " 453.40 -- Acute venous embolism and thrombosis; of unspecified deep vessels of lower extremity " 453.41 -- & of deep vessels of proximal lower extremity " 453.42 -- & of deep vessels of distal lower extremity DELETED: Other " 453.8 -- Other venous embolism and thrombosis of other specified veins.