2026 ICD-10-CM Diagnosis Code K64Hemorrhoids and perianal venous thrombosis

ICD-10-CM Codes›K00–K95›K55-K64›K64

ICD-10-CM K64
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K64 is a non-billable ICD-10-CM category code for hemorrhoids and perianal venous thrombosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K64.0, K64.1, K64.2, and K64.3.

Code Identity

ICD-10-CM Code
K64
Billable Status
No — Non-Billable Category
Code Describes
Hemorrhoids and perianal venous thrombosis
Chapter
K55-K64
Other diseases of intestines

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK55-K64Other diseases of intestines
CategoryK64Hemorrhoids and perianal venous thrombosis
This CodeK64Hemorrhoids and perianal venous thrombosis

Specific Coding for Hemorrhoids and perianal venous thrombosisOverview

Non-specific codes like K64 require more characters. Use one of these billable codes instead:

  • Use K64.0 for First degree hemorrhoids

  • Use K64.1 for Second degree hemorrhoids

  • Use K64.2 for Third degree hemorrhoids

  • Use K64.3 for Fourth degree hemorrhoids

  • Use K64.4 for Residual hemorrhoidal skin tags

  • Use K64.5 for Perianal venous thrombosis

  • Use K64.8 for Other hemorrhoids

  • Use K64.9 for Unspecified hemorrhoids

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • piles

Type 1 Excludes

  • hemorrhoids complicating childbirth and the puerperium O87.2
  • hemorrhoids complicating pregnancy O22.4

Patient EducationClinical

Hemorrhoids

Hemorrhoids are swollen, inflamed veins around your anus or the lower part of your rectum. There are two types:

The full article covers:

  • What are hemorrhoids?
  • What causes hemorrhoids?
  • What are the symptoms of hemorrhoids?
  • How can I treat hemorrhoids at home?
  • When do I need to see a health care provider for hemorrhoids?
  • How are hemorrhoids diagnosed?
  • What are the treatments for hemorrhoids?
  • Can hemorrhoids be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K64Overview

Is K64 (Hemorrhoids and perianal venous thrombosis) a billable code?

No. This is a category header that groups the codes for hemorrhoids and perianal venous thrombosis, and headers cannot be submitted on claims. Claims for hemorrhoids and perianal venous thrombosis need a more specific code from this category, such as K64.0, K64.1, and K64.2.