81120 Idh1 common variants
Also known as: IDH1 testing, isocitrate dehydrogenase 1
Molecular analysis to identify common pathogenic variants in the Isocitrate Dehydrogenase 1 (IDH1) gene, often found in glioblastoma and acute myeloid leukemia.
In Plain Language
brain cancer gene test; leukemia mutation screening
Clinical Context
Used to identify IDH1 mutations in glioblastomas and acute myeloid leukemias for prognostic stratification and targeted therapy eligibility assessment.
RVU Information
CPT 81120 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 81120?
CPT 81120 (Idh1 common variants) is a Pathology & Lab code. Molecular analysis to identify common pathogenic variants in the Isocitrate Dehydrogenase 1 (IDH1) gene, often found in glioblastoma and acute myeloid leukemia.
Who uses CPT code 81120?
CPT 81120 is used by Oncology, Pathology, Hematology. Used to identify IDH1 mutations in glioblastomas and acute myeloid leukemias for prognostic stratification and targeted therapy eligibility assessment.
When is CPT 81120 used?
Used to identify IDH1 mutations in glioblastomas and acute myeloid leukemias for prognostic stratification and targeted therapy eligibility assessment.
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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.