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	✓
I78.1	Nevus, non-neoplastic	✓
I78.8	Other diseases of capillaries	✓
I78.9	Disease of capillaries, unspecified	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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