K38 – Other diseases of appendix
ICD-10-CM 2027 diagnosis code · Diseases of appendix
ICD-10-CM code
K38
- Code
K38(claims format:K38)- Description
- Other diseases of appendix
- Billable
- No – use a more specific code below
- 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
Billable codes under K38
K38 is a header code and cannot be used on claims. Choose the most specific code:
- K38.0 – Hyperplasia of appendixBillable
- K38.1 – Appendicular concretionsBillable
- K38.2 – Diverticulum of appendixBillable
- K38.3 – Fistula of appendixBillable
- K38.8 – Other specified diseases of appendixBillable
- K38.9 – Disease of appendix, unspecifiedBillable
Frequently asked questions
What is ICD-10 code K38?
K38 is the ICD-10-CM code for other diseases of appendix, in the block K35-K38 (Diseases of appendix).
Is K38 a billable code?
No. K38 is a header code with more specific child codes; report one of the billable codes listed above.
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.