J3590
HCPCSUnclassified biologics
Official HCPCS Level II long descriptor
Unclassified biologics
HCPCS Level II code J3590 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Unclassified biologics
Added to HCPCS: 2003-01-01
Nearby codes in J3
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.