B74: Filariasis
Codes under B74 (Filariasis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B74.0 | Filariasis due to Wuchereria bancrofti | ✓ |
| B74.0 | Filariasis due to Wuchereria bancrofti | ✓ |
| B74.1 | Filariasis due to Brugia malayi | ✓ |
| B74.1 | Filariasis due to Brugia malayi | ✓ |
| B74.2 | Filariasis due to Brugia timori | ✓ |
| B74.2 | Filariasis due to Brugia timori | ✓ |
| B74.3 | Loiasis | ✓ |
| B74.3 | Loiasis | ✓ |
| B74.4 | Mansonelliasis | ✓ |
| B74.4 | Mansonelliasis | ✓ |
| B74.8 | Other filariases | ✓ |
| B74.8 | Other filariases | ✓ |
| B74.9 | Filariasis, unspecified | ✓ |
| B74.9 | Filariasis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code B74?
B74 is an ICD-10-CM category covering Filariasis. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is B74 a billable code?
No — B74 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 B74.0 — Filariasis due to Wuchereria bancrofti). 14 of the 14 codes under B74 are billable.
What codes fall under B74?
B74 includes B74.0, B74.0, B74.1, B74.1, B74.2, plus 9 more. See the full list with descriptions and billable status above.
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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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