K64.5

K64.5: Perianal venous thrombosis

Billable / specific codeICD-10-CM

K64.5 is a billable, specific ICD-10-CM code for perianal venous thrombosis. It is valid for submission on a claim.

Check K64.5 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

External hemorrhoids with thrombosis
Perianal hematoma
Thrombosed hemorrhoids NOS

Excludes1 inherited from the categories above K64.5

A category’s note binds every code beneath it.

Written on K64: Hemorrhoids and perianal venous thrombosis

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

K64.5 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57342Billing and Coding: Diagnostic and Therapeutic Colonoscopy

Alphabetic index entries that lead here

Hematoma›perianal(nontraumatic)
Hemorrhoids›thrombosed
Thrombosis, thrombotic›anal
Thrombosis, thrombotic›perianal venous
Thrombosis, thrombotic›venous, perianal
Thrombosis, thrombotic›vein›perianal
Hemorrhoids›external›with›thrombosis

Code history

Unchanged in every release from FY2024 to FY2027.