B85: Pediculosis and phthiriasis
Codes under B85 (Pediculosis and phthiriasis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B85.0 | Pediculosis due to Pediculus humanus capitis | ✓ |
| B85.0 | Pediculosis due to Pediculus humanus capitis | ✓ |
| B85.1 | Pediculosis due to Pediculus humanus corporis | ✓ |
| B85.1 | Pediculosis due to Pediculus humanus corporis | ✓ |
| B85.2 | Pediculosis, unspecified | ✓ |
| B85.2 | Pediculosis, unspecified | ✓ |
| B85.3 | Phthiriasis | ✓ |
| B85.3 | Phthiriasis | ✓ |
| B85.4 | Mixed pediculosis and phthiriasis | ✓ |
| B85.4 | Mixed pediculosis and phthiriasis | ✓ |
Frequently asked questions
What is ICD-10-CM code B85?
B85 is an ICD-10-CM category covering Pediculosis and phthiriasis. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is B85 a billable code?
No — B85 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 B85.0 — Pediculosis due to Pediculus humanus capitis). 10 of the 10 codes under B85 are billable.
What codes fall under B85?
B85 includes B85.0, B85.0, B85.1, B85.1, B85.2, plus 5 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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