I80.23
Phlebitis and thrombophlebitis of tibial vein
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
I80code
I00-I99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- transient cerebral ischemic attacks and related syndromes (G45.-)G45.-
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 8
Index entries leading here 2
Alongside this code 6 same parent — I80.2
I80.20 Phlebitis and thombophlb of unsp deep vessels of low extrm category I80.21 Phlebitis and thrombophlebitis of iliac vein category I80.22 Phlebitis and thrombophlebitis of popliteal vein category I80.24 Phlebitis and thrombophlebitis of peroneal vein category I80.25 Phlebitis and thrombophlebitis of calf muscular vein category I80.29 Phlebitis and thrombophlebitis of deep vessels of low extrm category
Subordinate codes 4
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.