I80.29 — Phlebitis and thrombophlebitis of other deep vessels of lower extremities
I80.29 is a non-billable header ICD-10-CM code for phlebitis and thrombophlebitis of other deep vessels of lower extremities. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 inherited from the categories above I80.29
These are not written on I80.29, but they bind it: a note on a category applies to every code beneath it. Billing I80.29 with anything listed here is a denial.
Risk adjustment
I80.29 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
I80.29 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Code to one of these instead I80.29
4 child codes. Green means billable.
- I80.291Phlebitis and thrombophlebitis of other deep vessels of right lower extremity
- I80.292Phlebitis and thrombophlebitis of other deep vessels of left lower extremity
- I80.293Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral
- I80.299Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity
Related codes at this level
Codes that share I80.2. If I80.29 is not quite right, the correct code is usually one of these.
- I80.20Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities
- I80.21Phlebitis and thrombophlebitis of iliac vein
- I80.22Phlebitis and thrombophlebitis of popliteal vein
- I80.23Phlebitis and thrombophlebitis of tibial vein
- I80.24Phlebitis and thrombophlebitis of peroneal vein
- I80.25Phlebitis and thrombophlebitis of calf muscular vein
Questions about I80.29
- Is I80.29 a billable ICD-10-CM code?
- No. I80.29 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does I80.29 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89).
- What cannot be coded together with I80.29?
- I80.29 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above I80.29 (I80) and apply to it just the same.