K51.312: Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
K51.312 is the billable ICD-10-CM diagnosis code for Ulcerative (chronic) rectosigmoiditis with intestinal obstruction. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code K51.312?
K51.312 is the ICD-10-CM diagnosis code for Ulcerative (chronic) rectosigmoiditis with intestinal obstruction. It belongs to category K51 (Ulcerative colitis).
Is K51.312 a billable code?
Yes. K51.312 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does K51.312 belong to?
K51.312 is part of ICD-10-CM category K51 — Ulcerative colitis, which has 98 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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