HCPCS codes / Q / Q4171
Q4171
Interfyl, 1 mg
- Code type
- HCPCS Level II
- Coverage
- Carrier judgment
- BETOS category
- O1E
- Pricing indicator
- 13
- Effective date
- 20260101
Verify before billing. Confirm against current official CMS HCPCS files and your payer's rules before clinical or claims use.