I78 ICD-10-CM Code: Diseases of capillaries
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
I78Diseases of capillaries
ICD-10-CM diagnosis code · United States clinical modification
Where I78 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Diseases of arteries, arterioles and capillaries (I70-I79)
- 3
Category I78
Diseases of capillaries
- 4
Code I78
Diseases of capillaries
Codes under I78
I78 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for I78.
Code first
No “code first” instruction is listed for I78.
Use additional code
No “use additional code” instruction is listed for I78.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I78.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I78.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code I78 mean?
I78 is the FY 2027 U.S. ICD-10-CM code for “Diseases of capillaries.”
Is I78 a billable or specific ICD-10-CM code?
No. I78 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I78 located in ICD-10-CM?
I78 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Diseases of arteries, arterioles and capillaries (I70-I79) (I70–I79), under category I78, Diseases of capillaries.
What coding notes are listed for I78?
No inclusion terms are listed for I78 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.