451 Phlebitis and thrombophlebitis convert 451 to ICD-10
451.0 … of superficial vessels of lower extremities convert 451.0 to ICD-10
451.1 Phlebitis and thrombophlebitis of deep veins of lower extremities convert 451.1 to ICD-10

451.11 Phlebitis and thrombophlebitis of femoral vein (deep) (superficial) convert 451.11 to ICD-10

451.19 … other convert 451.19 to ICD-10
451.2 … of lower extremities, unspecified convert 451.2 to ICD-10
451.8 Phlebitis and thrombophlebitis of other sites convert 451.8 to ICD-10

451.81 Phlebitis and thrombophlebitis of iliac vein convert 451.81 to ICD-10

451.82 Phlebitis and thrombophlebitis of superficial veins of upper extremities convert 451.82 to ICD-10

451.83 Phlebitis and thrombophlebitis of deep veins of upper extremities convert 451.83 to ICD-10

451.84 Phlebitis and thrombophlebitis of upper extremities, unspecified convert 451.84 to ICD-10

451.89 Phlebitis and thrombophlebitis of other sites convert 451.89 to ICD-10
451.9 … of unspecified site convert 451.9 to ICD-10