K64 ICD-10-CA category: Haemorrhoids and perianal venous thrombosis

K64 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.

Official description

K64

Haemorrhoids and perianal venous thrombosis

ICD-10-CA · Canada

Codes in K64

K64 isn’t a code on its own. Open the group that matches what the note documents.

Notes for K64

As CIHI prints them, with any note K64 takes from the headings above it.

Includes

  • Piles

Excludes

Conditions classified elsewhere.

  • Complicating:• childbirth and the puerperium (O87.2-)• pregnancy (O22.4-)
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)

Note

  • Haemorrhoids showing signs of bleeding and/or prolapse only, are designated as uncomplicated for classification purposes. Complicated haemorrhoids include those with additional signs of strangulation, thrombosis, necrosis and/or ulceration.

Where K64 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K55-K64Other diseases of intestines
  3. 3Category K64Haemorrhoids and perianal venous thrombosis

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

Is K64 a valid ICD-10-CA code?

No. K64 (Haemorrhoids and perianal venous thrombosis) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.

Where is K64 in ICD-10-CA?

K64 sits under K55-K64 Other diseases of intestines, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K64?

ICD-10-CA lists Note, Includes, Excludes notes for K64, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.