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ICD-10-CM · FY 2026 APRIL UPDATE

I80

Phlebitis and thrombophlebitis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremitiesCategory
I80.00Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremityBillable
I80.01Phlebitis and thrombophlebitis of superficial vessels of right lower extremityBillable
I80.02Phlebitis and thrombophlebitis of superficial vessels of left lower extremityBillable
I80.03Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateralBillable
I80.1Phlebitis and thrombophlebitis of femoral veinCategory
I80.10Phlebitis and thrombophlebitis of unspecified femoral veinBillable
I80.11Phlebitis and thrombophlebitis of right femoral veinBillable
I80.12Phlebitis and thrombophlebitis of left femoral veinBillable
I80.13Phlebitis and thrombophlebitis of femoral vein, bilateralBillable
I80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremitiesCategory
I80.20Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremitiesCategory
I80.201Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremityBillable
I80.202Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremityBillable
I80.203Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateralBillable
I80.209Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremityBillable
I80.21Phlebitis and thrombophlebitis of iliac veinCategory
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
I80.22Phlebitis and thrombophlebitis of popliteal veinCategory
I80.221Phlebitis and thrombophlebitis of right popliteal veinBillable
I80.222Phlebitis and thrombophlebitis of left popliteal veinBillable
I80.223Phlebitis and thrombophlebitis of popliteal vein, bilateralBillable
I80.229Phlebitis and thrombophlebitis of unspecified popliteal veinBillable
I80.23Phlebitis and thrombophlebitis of tibial veinCategory
I80.231Phlebitis and thrombophlebitis of right tibial veinBillable
I80.232Phlebitis and thrombophlebitis of left tibial veinBillable
I80.233Phlebitis and thrombophlebitis of tibial vein, bilateralBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.