10ICD Code Hub

K51.3

Header — not billable

Ulcerative (chronic) rectosigmoiditis

The ICD-10 code for ulcerative (chronic) rectosigmoiditis is K51.3.

K51.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under K51.3

Related codes in this category