I80.231 (Phlebitis and thrombophlebitis of right tibial vein) compared with I80.239 (Phlebitis and thrombophlebitis of unspecified tibial vein), from the official CMS tabular data. I80.231 and I80.239 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. I80.231 and I80.239 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| I80.231Phlebitis and thrombophlebitis of right tibial vein | I80.239Phlebitis and thrombophlebitis of unspecified tibial vein | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Phlebitis and thrombophlebitis of right tibial vein is a billable ICD-10-CM diagnosis code (I80.231). | Phlebitis and thrombophlebitis of unspecified tibial vein is a billable ICD-10-CM diagnosis code (I80.239). |
| Includes | endophlebitis inflammation, vein periphlebitis suppurative phlebitis | endophlebitis inflammation, vein periphlebitis suppurative phlebitis |
| Code first | , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7) phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-) | , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7) phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources