ICD-10-CM category
I99: Other and unspecified disorders of circulatory system
Codes under I99 (Other and unspecified disorders of circulatory system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I99.8 | Other disorder of circulatory system | ✓ |
| I99.9 | Unspecified disorder of circulatory system | ✓ |
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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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