I80.00
✓ Billable
Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I80.00
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I80.00?
ICD-10-CM code I80.00 represents Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I80.00 billable?
Yes. I80.00 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I80.00 in?
I80.00 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I80 category
I80
Phlebitis and thrombophlebitis
Non-billable
I80.0
Phlebitis and thrombophlebitis of superficial vessels of lower extremities
Non-billable
I80.1
Phlebitis and thrombophlebitis of femoral vein
Non-billable
I80.2
Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
Non-billable
I80.3
Phlebitis and thrombophlebitis of lower extremities, unspecified
Billable
I80.8
Phlebitis and thrombophlebitis of other sites
Billable
I80.9
Phlebitis and thrombophlebitis of unspecified site
Billable
I80.01
Phlebitis and thrombophlebitis of superficial vessels of right lower extremity
Billable
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