HCPCS codes, descriptors and billable units for every immunology / il-4/13 product in the directory.
Immunology / IL-4/13 products bill under J3490. Each code’s billable unit is listed below — divide the dose administered by it to get the quantity to report.
| Code | Descriptor | Billable unit |
|---|---|---|
| J3490 | Unclassified drugs | Per administration — quantity billed as supplied |