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BillablePhlebitis and thrombophlebitis of unspecified site
I80.9 is the ICD-10-CM code for Phlebitis and thrombophlebitis of unspecified site. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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