M1413

HCPCS

Pos pdl1 bef init ici tx

Official HCPCS Level II long descriptor

Patients who had a positive pd-l1 biomarker expression test result prior to the initiation of first-line immune checkpoint inhibitor therapy

HCPCS Level II code M1413 is maintained by CMS and is active in the current quarterly release.

Short descriptor

Pos pdl1 bef init ici tx

Added to HCPCS: 2025-01-01

Nearby codes in M1

Where this code sits

HCPCS Level II M1 codes

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Source

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.

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