G9423 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)]
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)]
Part
HCPCS Level II
G
Procedures and Professional Services (Temporary)
G9
G9001–G9999
Source
CMS — ICD-10-PCS FY2026, HCPCS Level II october 2026, Procedure Codes 2026.