K51.31
Header — not billableUlcerative (chronic) rectosigmoiditis with complications
The ICD-10 code for ulcerative (chronic) rectosigmoiditis with complications is K51.31.
K51.31 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under K51.31
- K51.311Ulcerative (chronic) rectosigmoiditis with rectal bleeding
- K51.312Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
- K51.313Ulcerative (chronic) rectosigmoiditis with fistula
- K51.314Ulcerative (chronic) rectosigmoiditis with abscess
- K51.318Ulcerative (chronic) rectosigmoiditis with other complication
- K51.319Ulcerative (chronic) rectosigmoiditis with unspecified complications
Related codes in this category
- K51.30Ulcerative (chronic) rectosigmoiditis without complications
- K51.31Ulcerative (chronic) rectosigmoiditis with complicationsnon-billable header