80204 Drug assay methotrexate
Also known as: methotrexate level, MTX level
Laboratory quantitative drug assay for methotrexate to assess serum level for therapeutic drug monitoring in cancer and immunosuppressive therapy.
In Plain Language
methotrexate blood test; cancer/arthritis medication level
Clinical Context
Monitors methotrexate levels after high-dose therapy to assess drug exposure and guide leucovorin rescue timing.
RVU Information
CPT 80204 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 80204?
CPT 80204 (Drug assay methotrexate) is a Pathology & Lab code. Laboratory quantitative drug assay for methotrexate to assess serum level for therapeutic drug monitoring in cancer and immunosuppressive therapy.
Who uses CPT code 80204?
CPT 80204 is used by Pathology, Oncology, Rheumatology. Monitors methotrexate levels after high-dose therapy to assess drug exposure and guide leucovorin rescue timing.
When is CPT 80204 used?
Monitors methotrexate levels after high-dose therapy to assess drug exposure and guide leucovorin rescue timing.
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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.