| Full description | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral |
| Billable | Yes |
| Chapter | Chapter 9: Diseases of the circulatory system (I00-I99) |
| Section | Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89) |
| Parent code | I80.20 — Phlebitis and thombophlb of unsp deep vessels of low extrm |