455.4 EXT THROMBOS HEMORRHOID


Code Information

Diagnosis Code: 455.4

Short Description: Ext thrombos hemorrhoid

Long Description: External thrombosed hemorrhoids

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Diseases of veins and lymphatics, and other diseases of circulatory system (451-459)
      • 455 Hemorrhoids
        • 455.4 Ext thrombos hemorrhoid

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 455.4 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Hemorrhoids (anus) (rectum) (without complication) 455.6
    • external 455.3
      • thrombosed 455.4
    • thrombosed NEC 455.7
      • external 455.4

Crosswalk Information

The code 455.4 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
455.4 Right Arrow K64.5 Perianal venous thrombosis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
455.0 Internal hemorrhoids without mention of complication
455.1 Internal thrombosed hemorrhoids
455.2 Internal hemorrhoids with other complication
455.3 External hemorrhoids without mention of complication
455.5 External hemorrhoids with other complication
455.6 Unspecified hemorrhoids without mention of complication
455.7 Unspecified thrombosed hemorrhoids
455.8 Unspecified hemorrhoids with other complication
455.9 Residual hemorrhoidal skin tags


This page was last updated on: 10/1/2014