Get started free

I80

Non-billable

Phlebitis and thrombophlebitis

I80 is the ICD-10-CM code for Phlebitis and thrombophlebitis. It is a non-billable category code — use a more specific child code such as I80.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
6
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • •endophlebitis
  • •inflammation, vein
  • •periphlebitis
  • •suppurative phlebitis

Excludes1 — not coded here

  • •venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)

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.-)

Frequently asked questions

What is ICD-10 code I80?
I80 is the ICD-10-CM code for "Phlebitis and thrombophlebitis". It falls under I00-I99 Diseases of the circulatory system.
Is I80 a billable code?
No — I80 is a non-billable header code. Use a more specific child code (such as I80.0) for billing.
What are the subcodes of I80?
I80 has 6 more specific child codes, including I80.0, I80.1, I80.2.
What is excluded from I80?
Excludes1 (not coded here): venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →