ICD-10 Code for Phlebitis
Also indexed as (infective) (pyemic) (septic) (suppurative)
The ICD-10-CM code for phlebitis is I80.9 — Phlebitis and thrombophlebitis of unspecified site. This is the code the Alphabetic Index gives for phlebitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
I80.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which phlebitis code should you use?
The Alphabetic Index lists 22 codes under Phlebitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| breast, superficial | I80.8 | Phlebitis and thrombophlebitis of other sites |
| calf muscular vein | I80.25Not billable | Phlebitis and thrombophlebitis of calf muscular vein |
| chest wall, superficial | I80.8 | Phlebitis and thrombophlebitis of other sites |
| during or resulting from a procedure | T81.72Not billable | Complication of vein following a procedure, not elsewhere classified |
| femoral vein | I80.1Not billable | Phlebitis and thrombophlebitis of femoral vein |
| femoropopliteal vein | I80.0Not billable | Phlebitis and thrombophlebitis of superficial vessels of lower extremities |
| gastrocnemial vein | I80.25Not billable | Phlebitis and thrombophlebitis of calf muscular vein |
| hepatic veins | I80.8 | Phlebitis and thrombophlebitis of other sites |
| iliac vein | I80.21Not billable | Phlebitis and thrombophlebitis of iliac vein |
| intracranial | G08 | Intracranial and intraspinal phlebitis and thrombophlebitis |
| intraspinal venous sinuses and veins | G08 | Intracranial and intraspinal phlebitis and thrombophlebitis |
| leg | I80.3 | Phlebitis and thrombophlebitis of lower extremities, unspecified |
| migrans, migrating | I82.1 | Thrombophlebitis migrans |
| peroneal vein | I80.24Not billable | Phlebitis and thrombophlebitis of peroneal vein |
| portal | K75.1 | Phlebitis of portal vein |
| postoperative | T81.72Not billable | Complication of vein following a procedure, not elsewhere classified |
| puerperal, postpartum, childbirth | O87.0 | Superficial thrombophlebitis in the puerperium |
| soleal vein | I80.25Not billable | Phlebitis and thrombophlebitis of calf muscular vein |
| specified site NEC | I80.8 | Phlebitis and thrombophlebitis of other sites |
| syphilitic | A52.09 | Other cardiovascular syphilis |
| ulcerative | I80.9 | Phlebitis and thrombophlebitis of unspecified site |
| umbilicus | I80.8 | Phlebitis and thrombophlebitis of other sites |
Phlebitis intracranial
| nonpyogenic | I67.6 | Nonpyogenic thrombosis of intracranial venous system |
Phlebitis intraspinal venous sinuses and veins
| nonpyogenic | G95.19 | Other vascular myelopathies |
Phlebitis leg
| deep NEC | I80.20Not billable | Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities |
| femoral vein | I80.1Not billable | Phlebitis and thrombophlebitis of femoral vein |
| superficial | I80.0Not billable | Phlebitis and thrombophlebitis of superficial vessels of lower extremities |
| deep NEC › iliac | I80.21Not billable | Phlebitis and thrombophlebitis of iliac vein |
| deep NEC › popliteal vein | I80.22Not billable | Phlebitis and thrombophlebitis of popliteal vein |
| deep NEC › specified vessel NEC | I80.29Not billable | Phlebitis and thrombophlebitis of other deep vessels of lower extremities |
| deep NEC › tibial vein | I80.23Not billable | Phlebitis and thrombophlebitis of tibial vein |
Phlebitis pelvic
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources