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ICD-10-CM 2027

ICD-10 code for tibial vein thrombophlebitis

I80.23

Phlebitis and thrombophlebitis of tibial vein

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Thrombophlebitis › tibial vein (anterior) (posterior)”. Page updated September 29, 2026.

About coding tibial vein thrombophlebitis

The ICD-10-CM code for tibial vein thrombophlebitis is I80.23 (Phlebitis and thrombophlebitis of tibial vein).

Within I80.2 (phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities), I80.23 is specifically for phlebitis and thrombophlebitis of tibial vein. Related codes cover unspecified deep vessels of lower extremities (I80.20), iliac vein (I80.21), popliteal vein (I80.22), peroneal vein (I80.24), calf muscular vein (I80.25) and other deep vessels of lower extremities (I80.29).

To report this condition, pick the subcode that matches the documentation: I80.231 (vein), I80.232 (vein), I80.233 (bilateral) and I80.239 (vein).

Code first: , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7) and phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-).

Common questions about tibial vein thrombophlebitis ICD-10 codes

What is the ICD-10 code for tibial vein thrombophlebitis?

I80.23 — Phlebitis and thrombophlebitis of tibial vein (a header code; report a more specific subcode).

Is I80.23 billable?

No. I80.23 is a header code. Report one of its more specific subcodes instead.