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I80.00

I80.00Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity

Billable / specific codeICD-10-CM

I80.00 is a billable, specific ICD-10-CM code for phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity. It is valid for submission on a claim.

Risk adjustment

I80.00 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

I80.00 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52996Billing and Coding: Routine Foot Care
  • A56680Billing and Coding: Routine Foot Care
  • A57188Billing and Coding: Routine Foot Care
  • A57188Billing and Coding: Routine Foot Care

Related codes at this level

Codes that share I80.0. If I80.00 is not quite right, the correct code is usually one of these.

Questions about I80.00

Is I80.00 a billable ICD-10-CM code?
Yes. I80.00 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I80.00 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.