HCPCS Level II · unclassified
J3590 — Unclassified biologics
In short
J3590 is the HCPCS Level II code for unclassified biologics: drugs with no specific code of their own. It has no fixed drug or unit, so the claim carries the NDC of the drug given and its quantity.
Code
Med-Code curatedHCPCS codeJ3590
Billing unitNo defined unit — report the NDC and quantity
- Descriptor
- Unclassified biologics
- Code set
- HCPCS Level II, maintained by CMS
- Category
- Immunology / IL-4/13
J3590 is an unclassified code
J3590 is the biologic counterpart of J3490 and carries the same documentation requirements: NDC, quantity, unit qualifier, drug name, strength and often the invoice. Acceptance varies by payer.
Units and claim line
Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.
Enter the units to build the claim line.
Drugs in the directory with no specific code
- DupilumabGenericMed-Code's directory has no drug-specific HCPCS code for dupilumab. It is usually self-administered and billed by NDC through a pharmacy benefit.
- DupixentBrandMed-Code's directory has no drug-specific HCPCS code for dupilumab. It is usually self-administered and billed by NDC through a pharmacy benefit.
J3590: common questions
- Is J3590 a CPT code?
- No. J3590 is a HCPCS Level II code, maintained by CMS, that identifies a drug with no specific code of its own. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
- What NDC goes with J3590?
- None is fixed. J3590 is used for drugs that have no specific HCPCS code, so the claim carries the NDC of the drug actually given and its quantity, and payers usually also ask for the drug name and dose. How to find a J-code.