Billable / Specific Code
ICD-10-CM K51.318 is the diagnosis code for Ulcerative (chronic) rectosigmoiditis with other complication. This code falls under the section "Noninfective enteritis and colitis" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K51.318 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K51.318 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K51.318 is the ICD-10-CM diagnosis code for "Ulcerative (chronic) rectosigmoiditis with other complication". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K51.318 is K51.31 ("Ulcerative (chronic) rectosigmoiditis with complications"). K51.318 provides a more specific classification within this category.
K51.318 is located in Section K50-K52 — "Noninfective enteritis and colitis" within Chapter 11 of the ICD-10-CM Tabular List.
K51.318 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use K51.318 when the patients documented diagnosis matches "Ulcerative (chronic) rectosigmoiditis with other complication" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Ulcerative (chronic) rectosigmoiditis with other complication is K51.318.
Yes, K51.318 can be used as a primary diagnosis code since it is billable and specific.
K51.318 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K51.318 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.