ICD-10-CM > I00-I99 > I80-I89 > I80 > I80.2 > I80.23 I80.23 Phlebitis and thrombophlebitis of tibial vein Non-Billable/Non-Specific Applicable To Phlebitis and thrombophlebitis of anterior tibial veinPhlebitis and thrombophlebitis of posterior tibial vein Codes I80.231Phlebitis and thrombophlebitis of right tibial veinI80.232Phlebitis and thrombophlebitis of left tibial veinI80.233Phlebitis and thrombophlebitis of tibial vein, bilateralI80.239Phlebitis and thrombophlebitis of unspecified tibial vein