I78: Diseases of capillaries
Codes under I78 (Diseases of capillaries). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I78.0 | Hereditary hemorrhagic telangiectasia | ✓ |
| I78.0 | Hereditary hemorrhagic telangiectasia | ✓ |
| I78.1 | Nevus, non-neoplastic | ✓ |
| I78.1 | Nevus, non-neoplastic | ✓ |
| I78.8 | Other diseases of capillaries | ✓ |
| I78.8 | Other diseases of capillaries | ✓ |
| I78.9 | Disease of capillaries, unspecified | ✓ |
| I78.9 | Disease of capillaries, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code I78?
I78 is an ICD-10-CM category covering Diseases of capillaries. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is I78 a billable code?
No — I78 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example I78.0 — Hereditary hemorrhagic telangiectasia). 8 of the 8 codes under I78 are billable.
What codes fall under I78?
I78 includes I78.0, I78.0, I78.1, I78.1, I78.8, plus 3 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free