ICD-10-CM category
R18: Ascites
Codes under R18 (Ascites). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R18.0 | Malignant ascites | ✓ |
| R18.8 | Other ascites | ✓ |
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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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