K63.3 – Ulcer of intestine
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K63.3
- Code
K63.3(claims format:K633)- Description
- Ulcer of intestine
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K55-K64 Other diseases of intestines
- Parent codes
- K63
Notes for K63.3
Applicable to:
- Primary ulcer of small intestine
Index terms for K63.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Erosion, intestine
- Stercoraceous, stercoral ulcer
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, rectosigmoid
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, primary of intestine
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, intestine, intestinal
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, stercoraceous, stercoral
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, intestine, intestinal, primary, small intestine
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, intestine, intestinal, stercoraceous, stercoral
Related codes in K63
Frequently asked questions
What is ICD-10 code K63.3?
K63.3 is the ICD-10-CM code for ulcer of intestine, in the block K55-K64 (Other diseases of intestines).
Is K63.3 a billable code?
Yes. K63.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K63.3 belong to?
It belongs to category K63 – Other diseases of intestine.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.