81504 Oncology tissue of origin
Also known as: tissue of origin test, cancer type classifier
Oncology tissue of origin profiling using gene expression analysis.
In Plain Language
genetic test to identify cancer type from tumor
Clinical Context
Gene expression-based molecular profiling to identify cancer tissue origin in cases of occult primary or metastatic cancer.
RVU Information
CPT 81504 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 81504?
CPT 81504 (Oncology tissue of origin) is a Pathology & Lab code. Oncology tissue of origin profiling using gene expression analysis.
Who uses CPT code 81504?
CPT 81504 is used by oncology, molecular pathology, pathology. Gene expression-based molecular profiling to identify cancer tissue origin in cases of occult primary or metastatic cancer.
When is CPT 81504 used?
Gene expression-based molecular profiling to identify cancer tissue origin in cases of occult primary or metastatic cancer.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.