Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89) ICD-10-CM
The I80–I89 section covers diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified with 396 ICD-10-CM diagnosis codes, of which 304 are billable in fiscal year 2027. The section is organized into the 9 code ranges listed below.
Code Ranges in This Section 9 ranges · 396 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the I80–I89 Code Range
These conditions affect veins, lymph vessels, and lymph nodes. They include vein inflammation, blood clots in veins, and varicose veins.
I80 groups vein inflammation by location, including whether lower-limb vessels are superficial or deep. I81 describes a blood clot in the portal vein. I82 groups other vein clots and embolisms by vein, limb, and whether they are acute or chronic.
I83 sorts varicose veins of the legs by ulcer, inflammation, other complications, or absence of symptoms. I85 covers esophageal varices, abnormally widened veins in the esophagus, and distinguishes secondary varices. I86 sorts varicose veins at other sites, while I87 groups other vein disorders.
I88 sorts nonspecific lymph node inflammation by location and whether it is chronic. I89 groups other noninfective disorders of lymph vessels and lymph nodes.
Questions About This Page
How many codes are in the I80-I89 range?
The I80-I89 range contains 396 ICD-10-CM diagnosis codes in FY 2027. 304 of them are billable, and the rest are category headers that organize the section.
What conditions does I80-I89 cover?
The range covers diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
