K60.31Header code — not billable

Anal fistula, simple

Chapter
11. Diseases of the digestive system
Category
K60
Effective date
October 1, 2026

Related codes in category K60

Frequently asked questions

What is ICD-10 code K60.31?

K60.31 is an ICD-10-CM diagnosis code for Anal fistula, simple.

Is K60.31 a billable code?

No. K60.31 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is K60.31 in?

K60.31 falls under Chapter 11: Diseases of the digestive system.

When did K60.31 become effective?

K60.31 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to K60.31?

K60.31 belongs to category K60, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.