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Interim Positron Emission Tomography Scanning in Oncology to Detect Early Response During Treatment

Section: Radiology
Effective Date: July 01, 2019
Revised Date: June 07, 2019

Description

Positron emission tomography (PET) scanning has many established roles in oncology. One potential use of PET scanning is to assess treatment response early in the course of therapy, with the intent of potentially altering the regimen based on PET scan results. While several types of PET scanning are used for interim detection of cancer, this review refers to fluorine 18 fluorodeoxyglucose positron emission tomography (FDG-PET) unless otherwise noted.

Criteria

The use of interim fluorine 18 fluorodeoxyglucose positron emission tomographyscans to determine response to tyrosine kinase inhibitor treatment in patients with gastrointestinal stromal tumors is considered medically necessary.

The use of positron emission tomography scans to determine early response to treatment (positron emission tomography scans done during a planned course of chemotherapy and/or radiotherapy) in patients with gastrointestinal stromal tumors on palliative or adjuvant therapy, as well as all other cancers, is considered investigational.

Procedure Codes

78811 78812 78813 78814 78815 78816 G0235

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