ICD-10-CM K63.3 is the diagnosis code for Ulcer of intestine. This code falls under the section "Other diseases of intestines" 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.
The following conditions should never be coded at the same time as K63.3. They are mutually exclusive:
Understanding where K63.3 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K63.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K63.3 is the ICD-10-CM diagnosis code for "Ulcer of intestine". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K63.3 is K63 ("Other diseases of intestine"). K63.3 provides a more specific classification within this category.
K63.3 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.
Use K63.3 when the patients documented diagnosis matches "Ulcer of intestine" 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 Ulcer of intestine is K63.3.
Yes, K63.3 can be used as a primary diagnosis code since it is billable and specific.
K63.3 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K63.3 include: duodenal ulcer (K26.-); gastrointestinal ulcer (K28.-); gastrojejunal ulcer (K28.-) and more.
Yes, K63.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.