All ICD10 Codes

I80.21

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

Phlebitis and thrombophlebitis of iliac vein

Use a more specific code (4 billable)
I80.211Phlebitis and thrombophlebitis of right iliac veinI80.212Phlebitis and thrombophlebitis of left iliac veinI80.213Phlebitis and thrombophlebitis of iliac vein, bilateralI80.219Phlebitis and thrombophlebitis of unspecified iliac vein
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Includes
  • Phlebitis and thrombophlebitis of common iliac vein
  • Phlebitis and thrombophlebitis of external iliac vein
  • Phlebitis and thrombophlebitis of internal iliac vein
General instructions are available for the parent sections:
View CH9 NotesView I80 Notes

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
I80Phlebitis and thrombophlebitis
I80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
I80.21Phlebitis and thrombophlebitis of iliac veinNot billable
I80.211Phlebitis and thrombophlebitis of right iliac veinBillable
I80.212Phlebitis and thrombophlebitis of left iliac veinBillable
I80.213Phlebitis and thrombophlebitis of iliac vein, bilateralBillable
I80.219Phlebitis and thrombophlebitis of unspecified iliac veinBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I80.21:

categoryI80
Phlebitis and thrombophlebitis
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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