10ICD Code Hub

I80.21

Header — not billable

Phlebitis and thrombophlebitis of iliac vein

The ICD-10 code for phlebitis and thrombophlebitis of iliac vein is I80.21.

I80.21 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Phlebitis and thrombophlebitis of common iliac vein
  • Phlebitis and thrombophlebitis of external iliac vein
  • Phlebitis and thrombophlebitis of internal iliac vein

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under I80.21

Related codes in this category