I80: Phlebitis and thrombophlebitis

Codes under I80 (Phlebitis and thrombophlebitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
I80.0	Phlebitis and thrombophlebitis of superficial vessels of lower extremities	—
I80.00	Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity	✓
I80.01	Phlebitis and thrombophlebitis of superficial vessels of right lower extremity	✓
I80.1	Phlebitis and thrombophlebitis of femoral vein	—
I80.02	Phlebitis and thrombophlebitis of superficial vessels of left lower extremity	✓
I80.2	Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities	—
I80.03	Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral	✓
I80.3	Phlebitis and thrombophlebitis of lower extremities, unspecified	✓
I80.8	Phlebitis and thrombophlebitis of other sites	✓
I80.9	Phlebitis and thrombophlebitis of unspecified site	✓
I80.10	Phlebitis and thrombophlebitis of unspecified femoral vein	✓
I80.11	Phlebitis and thrombophlebitis of right femoral vein	✓
I80.12	Phlebitis and thrombophlebitis of left femoral vein	✓
I80.13	Phlebitis and thrombophlebitis of femoral vein, bilateral	✓
I80.20	Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities	—
I80.21	Phlebitis and thrombophlebitis of iliac vein	—
I80.22	Phlebitis and thrombophlebitis of popliteal vein	—
I80.23	Phlebitis and thrombophlebitis of tibial vein	—
I80.24	Phlebitis and thrombophlebitis of peroneal vein	—
I80.25	Phlebitis and thrombophlebitis of calf muscular vein	—
I80.29	Phlebitis and thrombophlebitis of other deep vessels of lower extremities	—
I80.201	Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity	✓
I80.202	Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity	✓
I80.203	Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral	✓
I80.209	Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity	✓
I80.211	Phlebitis and thrombophlebitis of right iliac vein	✓
I80.212	Phlebitis and thrombophlebitis of left iliac vein	✓
I80.213	Phlebitis and thrombophlebitis of iliac vein, bilateral	✓
I80.219	Phlebitis and thrombophlebitis of unspecified iliac vein	✓
I80.221	Phlebitis and thrombophlebitis of right popliteal vein	✓
I80.222	Phlebitis and thrombophlebitis of left popliteal vein	✓
I80.223	Phlebitis and thrombophlebitis of popliteal vein, bilateral	✓
I80.229	Phlebitis and thrombophlebitis of unspecified popliteal vein	✓
I80.231	Phlebitis and thrombophlebitis of right tibial vein	✓
I80.232	Phlebitis and thrombophlebitis of left tibial vein	✓
I80.233	Phlebitis and thrombophlebitis of tibial vein, bilateral	✓
I80.239	Phlebitis and thrombophlebitis of unspecified tibial vein	✓
I80.241	Phlebitis and thrombophlebitis of right peroneal vein	✓
I80.242	Phlebitis and thrombophlebitis of left peroneal vein	✓
I80.243	Phlebitis and thrombophlebitis of peroneal vein, bilateral	✓
I80.249	Phlebitis and thrombophlebitis of unspecified peroneal vein	✓
I80.251	Phlebitis and thrombophlebitis of right calf muscular vein	✓
I80.252	Phlebitis and thrombophlebitis of left calf muscular vein	✓
I80.253	Phlebitis and thrombophlebitis of calf muscular vein, bilateral	✓
I80.259	Phlebitis and thrombophlebitis of unspecified calf muscular vein	✓
I80.291	Phlebitis and thrombophlebitis of other deep vessels of right lower extremity	✓
I80.292	Phlebitis and thrombophlebitis of other deep vessels of left lower extremity	✓
I80.293	Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral	✓
I80.299	Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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