I80
ICD-10Non-billable categoryPhlebitis and thrombophlebitis
Official ICD-10-CM descriptor (FY2026)
Phlebitis and thrombophlebitis
I80 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- endophlebitis
- inflammation, vein
- periphlebitis
- suppurative phlebitis
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)
Code first
Sequence the underlying condition before this code.
- , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7)
- phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)
More specific codes under I80
- I80.0Phlebitis and thombophlb of superficial vessels of low extrmcategory
- I80.1Phlebitis and thrombophlebitis of femoral veincategory
- I80.2Phlbts and thombophlb of and unsp deep vessels of low extrmcategory
- I80.3Phlebitis and thrombophlebitis of lower extremities, unsp
- I80.8Phlebitis and thrombophlebitis of other sites
- I80.9Phlebitis and thrombophlebitis of unspecified site
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.