ICD-10-CM category
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 | — |
| I80.0 | Phlebitis and thrombophlebitis of superficial vessels of lower extremities | — |
| I80.00 | Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity | ✓ |
| I80.00 | Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity | ✓ |
| I80.01 | Phlebitis and thrombophlebitis of superficial vessels of right lower extremity | ✓ |
| I80.01 | Phlebitis and thrombophlebitis of superficial vessels of right lower extremity | ✓ |
| I80.1 | Phlebitis and thrombophlebitis of femoral vein | — |
| I80.1 | Phlebitis and thrombophlebitis of femoral vein | — |
| I80.02 | Phlebitis and thrombophlebitis of superficial vessels of left lower extremity | ✓ |
| 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 | — |
| I80.2 | Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities | — |
| I80.03 | Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral | ✓ |
| I80.03 | Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral | ✓ |
| I80.3 | Phlebitis and thrombophlebitis of lower extremities, unspecified | ✓ |
| I80.3 | Phlebitis and thrombophlebitis of lower extremities, unspecified | ✓ |
| I80.8 | Phlebitis and thrombophlebitis of other sites | ✓ |
| I80.8 | Phlebitis and thrombophlebitis of other sites | ✓ |
| I80.9 | Phlebitis and thrombophlebitis of unspecified site | ✓ |
| I80.9 | Phlebitis and thrombophlebitis of unspecified site | ✓ |
| I80.10 | Phlebitis and thrombophlebitis of unspecified femoral vein | ✓ |
| I80.10 | Phlebitis and thrombophlebitis of unspecified femoral vein | ✓ |
| I80.11 | Phlebitis and thrombophlebitis of right femoral vein | ✓ |
| I80.11 | Phlebitis and thrombophlebitis of right femoral vein | ✓ |
| I80.12 | Phlebitis and thrombophlebitis of left femoral vein | ✓ |
| I80.12 | Phlebitis and thrombophlebitis of left femoral vein | ✓ |
| I80.13 | Phlebitis and thrombophlebitis of femoral vein, bilateral | ✓ |
| I80.13 | Phlebitis and thrombophlebitis of femoral vein, bilateral | ✓ |
| I80.20 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities | — |
| I80.20 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities | — |
| I80.21 | Phlebitis and thrombophlebitis of iliac vein | — |
| I80.21 | Phlebitis and thrombophlebitis of iliac vein | — |
| I80.22 | Phlebitis and thrombophlebitis of popliteal vein | — |
| I80.22 | Phlebitis and thrombophlebitis of popliteal vein | — |
| I80.23 | Phlebitis and thrombophlebitis of tibial vein | — |
| I80.23 | Phlebitis and thrombophlebitis of tibial vein | — |
| I80.24 | Phlebitis and thrombophlebitis of peroneal vein | — |
| I80.24 | Phlebitis and thrombophlebitis of peroneal vein | — |
| I80.25 | Phlebitis and thrombophlebitis of calf muscular vein | — |
| I80.25 | Phlebitis and thrombophlebitis of calf muscular vein | — |
| I80.29 | Phlebitis and thrombophlebitis of other deep vessels of lower extremities | — |
| 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 | ✓ |
| I80.201 | Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity | ✓ |
| I80.202 | Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity | ✓ |
| I80.202 | Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity | ✓ |
| I80.203 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral | ✓ |
| I80.203 | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral | ✓ |
| I80.209 | Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity | ✓ |
| I80.209 | Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity | ✓ |
| I80.211 | Phlebitis and thrombophlebitis of right iliac vein | ✓ |
| I80.211 | Phlebitis and thrombophlebitis of right iliac vein | ✓ |
| I80.212 | Phlebitis and thrombophlebitis of left iliac vein | ✓ |
| I80.212 | Phlebitis and thrombophlebitis of left iliac vein | ✓ |
| I80.213 | Phlebitis and thrombophlebitis of iliac vein, bilateral | ✓ |
| I80.213 | Phlebitis and thrombophlebitis of iliac vein, bilateral | ✓ |
| I80.219 | Phlebitis and thrombophlebitis of unspecified iliac vein | ✓ |
| I80.219 | Phlebitis and thrombophlebitis of unspecified iliac vein | ✓ |
| I80.221 | Phlebitis and thrombophlebitis of right popliteal vein | ✓ |
| I80.221 | Phlebitis and thrombophlebitis of right popliteal vein | ✓ |
| I80.222 | Phlebitis and thrombophlebitis of left popliteal vein | ✓ |
| I80.222 | Phlebitis and thrombophlebitis of left popliteal vein | ✓ |
| I80.223 | Phlebitis and thrombophlebitis of popliteal vein, bilateral | ✓ |
| I80.223 | Phlebitis and thrombophlebitis of popliteal vein, bilateral | ✓ |
| I80.229 | Phlebitis and thrombophlebitis of unspecified popliteal vein | ✓ |
| I80.229 | Phlebitis and thrombophlebitis of unspecified popliteal vein | ✓ |
| I80.231 | Phlebitis and thrombophlebitis of right tibial vein | ✓ |
| I80.231 | Phlebitis and thrombophlebitis of right tibial vein | ✓ |
| I80.232 | Phlebitis and thrombophlebitis of left tibial vein | ✓ |
| I80.232 | Phlebitis and thrombophlebitis of left tibial vein | ✓ |
| I80.233 | Phlebitis and thrombophlebitis of tibial vein, bilateral | ✓ |
| I80.233 | Phlebitis and thrombophlebitis of tibial vein, bilateral | ✓ |
| I80.239 | Phlebitis and thrombophlebitis of unspecified tibial vein | ✓ |
| I80.239 | Phlebitis and thrombophlebitis of unspecified tibial vein | ✓ |
| I80.241 | Phlebitis and thrombophlebitis of right peroneal vein | ✓ |
| I80.241 | Phlebitis and thrombophlebitis of right peroneal vein | ✓ |
| I80.242 | Phlebitis and thrombophlebitis of left peroneal vein | ✓ |
| I80.242 | Phlebitis and thrombophlebitis of left peroneal vein | ✓ |
| I80.243 | Phlebitis and thrombophlebitis of peroneal vein, bilateral | ✓ |
| I80.243 | Phlebitis and thrombophlebitis of peroneal vein, bilateral | ✓ |
| I80.249 | Phlebitis and thrombophlebitis of unspecified peroneal vein | ✓ |
| I80.249 | Phlebitis and thrombophlebitis of unspecified peroneal vein | ✓ |
| I80.251 | Phlebitis and thrombophlebitis of right calf muscular vein | ✓ |
| I80.251 | Phlebitis and thrombophlebitis of right calf muscular vein | ✓ |
| I80.252 | Phlebitis and thrombophlebitis of left calf muscular vein | ✓ |
| I80.252 | Phlebitis and thrombophlebitis of left calf muscular vein | ✓ |
| I80.253 | Phlebitis and thrombophlebitis of calf muscular vein, bilateral | ✓ |
| I80.253 | Phlebitis and thrombophlebitis of calf muscular vein, bilateral | ✓ |
| I80.259 | Phlebitis and thrombophlebitis of unspecified calf muscular vein | ✓ |
| I80.259 | Phlebitis and thrombophlebitis of unspecified calf muscular vein | ✓ |
| I80.291 | Phlebitis and thrombophlebitis of other deep vessels of right lower extremity | ✓ |
| 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 | ✓ |
| I80.292 | Phlebitis and thrombophlebitis of other deep vessels of left lower extremity | ✓ |
| I80.293 | Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral | ✓ |
| I80.293 | Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral | ✓ |
| I80.299 | Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity | ✓ |
| I80.299 | Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity | ✓ |
Frequently asked questions
What is ICD-10-CM code I80?
I80 is an ICD-10-CM category covering Phlebitis and thrombophlebitis. It contains 98 more specific diagnosis codes, 78 of which are billable.
Is I80 a billable code?
No — I80 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example I80.0 — Phlebitis and thrombophlebitis of superficial vessels of lower extremities). 78 of the 98 codes under I80 are billable.
What codes fall under I80?
I80 includes I80.0, I80.0, I80.00, I80.00, I80.01, plus 93 more. See the full list with descriptions and billable status above.
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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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