| I80.20 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities | NON-BILLABLE CODE |
| I80.201 | Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity | BILLABLE CODE |
| I80.202 | Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity | BILLABLE CODE |
| I80.203 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral | BILLABLE CODE |
| I80.209 | Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity | BILLABLE CODE |
| I80.21 | Phlebitis and thrombophlebitis of iliac vein | NON-BILLABLE CODE |
| I80.211 | Phlebitis and thrombophlebitis of right iliac vein | BILLABLE CODE |
| I80.212 | Phlebitis and thrombophlebitis of left iliac vein | BILLABLE CODE |
| I80.213 | Phlebitis and thrombophlebitis of iliac vein, bilateral | BILLABLE CODE |
| I80.219 | Phlebitis and thrombophlebitis of unspecified iliac vein | BILLABLE CODE |
| I80.22 | Phlebitis and thrombophlebitis of popliteal vein | NON-BILLABLE CODE |
| I80.221 | Phlebitis and thrombophlebitis of right popliteal vein | BILLABLE CODE |
| I80.222 | Phlebitis and thrombophlebitis of left popliteal vein | BILLABLE CODE |
| I80.223 | Phlebitis and thrombophlebitis of popliteal vein, bilateral | BILLABLE CODE |
| I80.229 | Phlebitis and thrombophlebitis of unspecified popliteal vein | BILLABLE CODE |
| I80.23 | Phlebitis and thrombophlebitis of tibial vein | NON-BILLABLE CODE |
| I80.231 | Phlebitis and thrombophlebitis of right tibial vein | BILLABLE CODE |
| I80.232 | Phlebitis and thrombophlebitis of left tibial vein | BILLABLE CODE |
| I80.233 | Phlebitis and thrombophlebitis of tibial vein, bilateral | BILLABLE CODE |
| I80.239 | Phlebitis and thrombophlebitis of unspecified tibial vein | BILLABLE CODE |
| I80.24 | Phlebitis and thrombophlebitis of peroneal vein | NON-BILLABLE CODE |
| I80.241 | Phlebitis and thrombophlebitis of right peroneal vein | BILLABLE CODE |
| I80.242 | Phlebitis and thrombophlebitis of left peroneal vein | BILLABLE CODE |
| I80.243 | Phlebitis and thrombophlebitis of peroneal vein, bilateral | BILLABLE CODE |
| I80.249 | Phlebitis and thrombophlebitis of unspecified peroneal vein | BILLABLE CODE |
| I80.25 | Phlebitis and thrombophlebitis of calf muscular vein | NON-BILLABLE CODE |
| I80.251 | Phlebitis and thrombophlebitis of right calf muscular vein | BILLABLE CODE |
| I80.252 | Phlebitis and thrombophlebitis of left calf muscular vein | BILLABLE CODE |
| I80.253 | Phlebitis and thrombophlebitis of calf muscular vein, bilateral | BILLABLE CODE |
| I80.259 | Phlebitis and thrombophlebitis of unspecified calf muscular vein | BILLABLE CODE |
| I80.29 | Phlebitis and thrombophlebitis of other deep vessels of lower extremities | NON-BILLABLE CODE |
| I80.291 | Phlebitis and thrombophlebitis of other deep vessels of right lower extremity | BILLABLE CODE |
| I80.292 | Phlebitis and thrombophlebitis of other deep vessels of left lower extremity | BILLABLE CODE |
| I80.293 | Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral | BILLABLE CODE |
| I80.299 | Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity | BILLABLE CODE |
