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I80.0 ICD-10-CA code: Phlebitis and thrombophlebitis of superficial vessels of lower extremities

I80.0 is the ICD-10-CA code for “Phlebitis and thrombophlebitis of superficial vessels of lower extremities” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

I80.0

Phlebitis and thrombophlebitis of superficial vessels of lower extremities

Short description: Phleb & thrombophleb superfic vesl legs

ICD-10-CA · Canada · Also written I800

Index terms

Entries in CIHI’s alphabetical index that lead to I80.0. Searching the index by the condition the note names is how coders reach this code.

  • Thrombophlebitis, leg, superficial (vessels)
  • Thrombophlebitis, lower extremity, superficial (vessels)
  • Phlebitis (infective) (pyemic) (septic) (suppurative), saphenous
  • Phlebitis (infective) (pyemic) (septic) (suppurative), lower limb, superficial (vessels)
  • Phlebitis (infective) (pyemic) (septic) (suppurative), ulcerative, leg, superficial (vessels)
  • Inflammation, inflamed, inflammatory (with exudation), vein, thrombotic, leg, superficial (vessels)
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), leg, superficial (vessels)
  • Inflammation, inflamed, inflammatory (with exudation), vein, thrombotic, lower extremity, superficial (vessels)

Notes for I80.0

As CIHI prints them, with any note I80.0 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Phlebitis and thrombophlebitis (of):• complicating• abortion or ectopic or molar pregnancy (O00-O07, O08.7)• pregnancy, childbirth and the puerperium (O22.-, O87.-)• intracranial and intraspinal, septic or NOS (G08)• intracranial, nonpyogenic (I67.6)• intraspinal, nonpyogenic (G95.1)• portal (vein) (K75.1)postphlebitic (postthrombotic) syndrome (I87.0-)thrombophlebitis migrans (I82.1)From I80 Phlebitis and thrombophlebitis
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)

Where I80.0 sits

  1. 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
  2. 2Block I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
  3. 3Category I80Phlebitis and thrombophlebitis
  4. 4Valid code I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremities

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See I80.0 in the CIHI source

Frequently asked questions

What does ICD-10-CA code I80.0 mean?

I80.0 is the ICD-10-CA code for “Phlebitis and thrombophlebitis of superficial vessels of lower extremities” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is I80.0 in ICD-10-CA?

I80.0 sits under I80 Phlebitis and thrombophlebitis, within I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified, within Chapter 9: Diseases of the circulatory system (I00-I99).

What coding notes apply to I80.0?

ICD-10-CA lists Includes, Use additional code, Excludes notes for I80.0, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside I80.0

I80.1Phlebitis and thrombophlebitis of femoral veinI80.2Phlebitis and thrombophlebitis of other deep vessels of lower extremitiesI80.3Phlebitis and thrombophlebitis of lower extremities, unspecifiedI80.8Phlebitis and thrombophlebitis of other sitesI80.9Phlebitis and thrombophlebitis of unspecified site