I78 – Diseases of capillaries
ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries
ICD-10-CM code
I78
- Code
I78(claims format:I78)- Description
- Diseases of capillaries
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I70-I79 Diseases of arteries, arterioles and capillaries
Billable codes under I78
I78 is a header code and cannot be used on claims. Choose the most specific code:
Frequently asked questions
What is ICD-10 code I78?
I78 is the ICD-10-CM code for diseases of capillaries, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).
Is I78 a billable code?
No. I78 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.