G9423

HCPCS

Med reas rpt no histo type

Official HCPCS Level II long descriptor

Documentation of medical reason for not including pt category, pn category and histologic type [for patient with appropriate exclusion criteria (e.g., metastatic disease, benign tumors, malignant tumors other than carcinomas, inadequate surgical specimens)]

HCPCS Level II code G9423 is maintained by CMS and is active in the current quarterly release.

Short descriptor

Med reas rpt no histo type

Added to HCPCS: 2015-01-01

Nearby codes in G9

Where this code sits

HCPCS Level II G9 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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