I80
Phlebitis and thrombophlebitis
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 6
I80code
Includes
- endophlebitis
- inflammation, vein
- periphlebitis
- suppurative phlebitis
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 6
I80.0 Phlebitis and thombophlb of superficial vessels of low extrm I80.1 Phlebitis and thrombophlebitis of femoral vein I80.2 Phlbts and thombophlb of and unsp deep vessels of low extrm I80.3 Phlebitis and thrombophlebitis of lower extremities, unsp I80.8 Phlebitis and thrombophlebitis of other sites I80.9 Phlebitis and thrombophlebitis of unspecified site
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.