K38.3 – Fistula of appendix
ICD-10-CM 2027 diagnosis code · Diseases of appendix
ICD-10-CM code
K38.3
- Code
K38.3(claims format:K383)- Description
- Fistula of appendix
- 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
- K35-K38 Diseases of appendix
- Parent codes
- K38
Index terms for K38.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in K38
Frequently asked questions
What is ICD-10 code K38.3?
K38.3 is the ICD-10-CM code for fistula of appendix, in the block K35-K38 (Diseases of appendix).
Is K38.3 a billable code?
Yes. K38.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K38.3 belong to?
It belongs to category K38 – Other diseases of appendix.
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.