Policy name intensitymodulated radiation therapy imrt planning summary this policy addresses reimbursement for therapeutic radiology simulation services when performed on the same tumor on the same day or within 90 days prior to an intensity modulated radiotherapy imrt plan. Purdy, phd 2 threedimensional 3d imagebased treatment planning and new delivery technologies have spurred the implementation of external beam radiation therapy techniques, in which the highdose region is conformed much. Explore mayo clinic studies testing new treatments, interventions and tests as a means to prevent. Intensity modulated radiotherapy plan, including dosevolume histograms for target and critical structure partial tolerance specifications diagnosis verification of the treatment plan means of reproducible patient position blocksaidsbumps etc consideration of target organ and motion fact radiation therapy sheet page 2.
Dose calculations were repeated for voxel sizes of 1, 3, and 5 mm. It has the potential to significantly reduce longterm morbidity and improve. Whiteboard, a revolutionary information hub, developed inhouse, for seamless radiation planning. Intensitymodulated radiation therapy to bilateral lower. Intensity modulated radiation therapy imrt is a type of external beam radiation therapy. Intensitymodulated radiation therapy imrt planning. Mar 26, 2004 intensity modulated radiotherapy imrt is one of the most important recent developments in oncology. Transition from 2d radiotherapy to 3d conformal and. Intensity modulated radiation therapy imrt is an advanced form of 3dcrt that can create a dose distribution around a complex and irregular target volume.
Imrt is particularly useful for delivering a highly conformal radiation dose to targets positioned near sensitive normal tissues. Optimizing the planning of intensitymodulated radiotherapy. The linac has a device called a multileaf collimator. In a recent report, the office of inspector general oig determined that payments for outpatient intensity modulated radiation therapy imrt did not comply with medicare billing requirements. With the introduction of intensity modulated radiation therapy imrt in the early 1990s, it was recognized that dose distributions could be significantly improved to better handle this class of treatment planning problems. An introduction to the intensitymodulated radiation therapy imrt. Plan comparison of volumetric modulated arc therapy rapidarc and conventional intensitymodulated radiation therapy imrt in anal canal cancer sabine vieillot, 1 david azria, 1 claire lemanski, 1 carmen llacer moscardo, 1 sophie gourgou, 2 jeanbernard dubois. Imrt is different than the older treatment technique of 3d conformal radiation. What is intensity modulated radiation therapy imrt. Treatment planning techniques icpt school on medical physics for radiation therapy. Policy name intensitymodulated radiation therapy imrt planning summary this policy addresses reimbursement for therapeutic radiology simulation services when performed on the same tumor on the same day or within 90 days prior to an intensitymodulated radiotherapy imrt plan. Billing and coding guidelines for radiation oncology including intensity modulated radiation therapy imrt lcd determination id number l34652 guidelines reasons for denial services performed for diagnoses not listed as covered in this policy or for excessive frequency will be. The intensity modulated radiation therapy imrt policy addresses when an imrt simulation is performed on the same tumor within 90 days prior to an imrt plan, reimbursement of the simulation will be included in the reimbursement for the imrt plan whether the simulation is reported on the same or different date of service.
Intensity modulated radiation therapy imrt with different combinations of treatment planning systems and linacs. Clinical indications for imrt planning place of service. Intensitymodulated radiation therapy imrt is an advanced mode of highprecision radiotherapy that uses computercontrolled linear accelerators to deliver precise radiation doses to a malignant tumor or specific areas within the tumor. Request for clinical exception to bcbsma intensity. Radiation therapy localization and delivery, int j radiation oncol biol phys, vol.
Apr 16, 2020 intensity modulated radiation therapy, or imrt, is used to treat cancerous and noncancerous tumors. When intensity modulated radiation therapy imrt of the prostate is not covered intensity modulated radiation therapy imrt of the prostate is considered investigational for other indications not listed above. Intensity modulated radiation therapy imrt is a specialized form of external beam radiation treatment that involves modulation of radiation beam intensities within treatment fields to obtain more conformal dose delivery around the targets of irradiation. This model policy1 addresses coverage for intensity modulated radiation therapy imrt.
Cornell university 2006 the recent development of intensity modulated radiation therapy imrt provides a more sophisticated method for delivering radiation therapy for cancer treatment. Nora al ohali noura al enezi alia babaqeeh alaa al angari shatha al mushayt 2. Thomas bortfeld, phd, chief of radiation physics, an imrt codeveloper, with the work. Mar 04, 2019 maintain appropriate documentation and reporting for this valuable tumor treatment option. Milton stewart school of industrial and systems engineering, georgia institute of technology, atlanta, georgia.
The imrt planning billing code was recorded for about 700 patients in. Intensity modulated radiation therapy imrt is an advanced mode of highprecision rt that uses computer controlled linear accelerators to deliver precise radiation doses to a malignant tumor or specific areas within the tumor. Imrt is the most common form of radiation therapy due to its ability to highly customize treatments for individual patient needs. An automated intensity modulated radiation therapy planning system.
An automated intensitymodulated radiation therapy planning system shabbir ahmed, ozan gozbasi, martin savelsbergh h. Policy name intensity modulated radiation therapy imrt planning summary this policy addresses reimbursement for therapeutic radiology simulation services when performed on the same tumor on the same day or within 90 days prior to an intensity modulated radiotherapy imrt plan. Intensity modulated radiation therapy imrt has been considered the most successful development in radiation oncology since the introduction of computed tomography into treatment planning that. Dec 15, 2017 intensity modulated radiation therapy imrt is a type of external beam radiation therapy. Inverse planning optimization method for intensity modulated. Introduction intensity modulated radiation therapy imrt is the product of advances in the rt technology. Implementation of imrt requires a high level of precision in treatment planning and dose delivery because multiple beams are used to irradiate the target volume. Intensity modulated radiation therapy imrt a570 links in pdf documents are not guaranteed to work. Report of the imrt subcommittee of the aapm radiation therapy committee gary a. Imrt allows for the radiation dose to conform more precisely to the threedimensional 3d shape of the. Intensity modulated radiation therapy imrt is a technology for delivering highly conformal external beam radiation to a welldefi ned treatment volume with radiation beams whose intensity varies across the beam. Robust intensity modulated radiation therapy treatment planning millie chu, ph. Guidance document on delivery, treatment planning, and. Intensity modulated radiation therapy imrt local coverage article.
It enables precise conformation of the radiation dose to the target volume. In this paper, we build a model of motion uncertainty using probability density functions that describe breathing motion, and provide a robust formulation of the problem of optimizing intensity modulated radiation therapy. Multileaf collimator mlc devices for intensity modulated radiation therapy imrt, design and construction per imrt plan 77385 intensity modulated radiation treatment delivery imrt, includes guidance and tracking, when performed. Pdf planning hybrid intensity modulated radiation therapy. Intensity modulated radiotherapy imrt cancer treatment. In this overview, methods for planning and delivery of imrt are explained, the main clinical sites are identified and practical delivery aspects are discussed. Imrt is a procedure that delivers radiation with adjusted intensity to preserve adjoining normal tissue. Intensity modulated radiation therapy imrt refers to photon radiation planning made possible by the development of sophisticated treatment planning software khan, 2010. Intensity modulated radiation therapy policy, professional important note about this reimbursement policy you are responsible for submission of accurate claims. With imrt your doctor uses a computer to plan the exact dose or amount of radiation that is aimed at your prostate cancer. Guidance document on delivery, treatment planning, and clinical implementation of imrt. Forward treatment planning involves estimating the radiation delivery profile based on the number, directions and shape of the beams. Due to its complexity, imrt does require slightly longer daily treatment times and additional planning and safety checks before the patient can start the treatment. Intensitymodulated radiation therapy imrt is a type of external beam radiation therapy that permits complex threedimensional shaping of the radiation beams to precisely target the tumor.
Imrt uses varying beam intensities to send radiation to the tumor site from the most favorable paths. Intensity modulated radiation therapy imrt is an advanced mode of highprecision radiotherapy that uses computercontrolled linear accelerators to deliver precise radiation doses to a malignant tumor or specific areas within the tumor. Meet the people who have been integral in the development of advanced radiation technologies such as intensity modulated radiation therapy imrt. An automated intensity modulated radiation therapy planning system shabbir ahmed, ozan gozbasi, martin savelsbergh h. Billing and coding guidelines for radiation oncology. Conformal radiotherapy shapes the radiation beams to closely fit the area of cancer. Radiation therapy is an integral component in the treatment of head and neck cancers. Available formats pdf please select a format to send. Inverse planning optimization method for intensity modulated radiation therapy. Imrt and intensity modulated proton beam therapy impt using ig have become increasingly popular in the management of pca. Knowledgebased planning for intensity modulated radiation therapy. Treatment planning techniques icpt school on medical physics for radiation therapy justus adamson phd assistant professor department of radiation oncology duke university medical center. Avoid overpayments for intensity modulated radiation therapy.
Intensity modulated radiation therapy imrt has been proposed as a method of radiation therapy that allows adequate radiation therapy to the tumor while minimizing the radiation dose to surrounding normal tissues and critical structures. Description intensity modulated radiation therapy imrt is a technology for delivering highly conformal external beam radiation to a welldefi ned treatment volume with radiation beams whose intensity varies across the beam. Your radiation oncologist will speak with you to determine whether imrt is the most appropriate treatment for you. Intensity modulated radiation therapy medical clinical. Intensitymodulated radiation therapy imrt mayo clinic.
Plan comparison of volumetricmodulated arc therapy. Jun 17, 2015 intensitymodulated conformal radiation therapy and 3dimensional treatment planning will significantly reduce the need for therapeutic approaches with particles such as protons. Treatment planning comparison between high dose rate and. Planning target volumetoskin proximity for headandneck. Imrt plans can provide a steep high to lowdose gradient at the edge of the target volume for. Intensitymodulated radiotherapy, radiotherapy planning.
You can have imrt on a standard radiotherapy machine, called a linear accelerator linac. Robust optimization for intensity modulated radiation. Astros imrt model policy american society for radiation. This reimbursement policy is intended to ensure that you are reimbursed based on the code or codes that correctly describe the health care services provided. A fullyautomated intensity modulated radiation therapy planning system shabbir ahmed, ozan gozbasi, martin savelsbergh georgia institute of technology tim fox, ian crocker, eduard schreibmann emory university abstract we designed and implemented a linear programming based imrt treatment plan generation.
Intensity modulated radiation therapy imrt intensity modulated radiotherapy plan, including dosevolume histograms for target and critical structure partial tolerance specifications same group physician andor other health care professional all physicians andor other health care professionals of the same group reporting the. Policy name intensitymodulated radiation therapy imrt planning. For imrt planning, the physician defines the desired dose and coverage of the target volume as well as the desired dose and volume limitations for normal healthy structures, and sets priorities for these parameters. An automated intensitymodulated radiation therapy planning system. System opps providers submitting claims for outpatient intensity modulated radiation therapy imrt planning to medicare administrative contractors macs. Robust management of motion uncertainty in intensity. Improper payment for intensitymodulated radiation therapy. This is a supplement to our coverage statements regarding the use of imrt to treat the. Pdf intensitymodulated radiotherapy imrt is one of the most important recent.
Inclusion of twodimensional modulation of the xray intensity s webb intensity modulated arc therapy with dynamic multileaf collimation. Policy name intensitymodulated radiation therapy imrt. A fullyautomated intensitymodulated radiation therapy planning system shabbir ahmed, ozan gozbasi, martin savelsbergh georgia institute of technology tim fox, ian crocker, eduard schreibmann emory university abstract we designed and implemented a linear programming based imrt treatment plan. Planning hybrid intensity modulated radiation therapy for. Billing and coding guidelines for radiation oncology including intensity modulated radiation therapy imrt lcd determination id number l34652 guidelines reasons for denial services performed for diagnoses not listed as covered in this policy or for excessive frequency will be denied as not medically necessary. Treatment planning comparison between high dose rate and intensity modulated radiation therapy for prostate cancer as a means of boost dose volume issue 3 satya bose, sanjeev bahri, ron lalonde. Intensity modulated radiotherapy imrt is a type of conformal radiotherapy. It is one of the most precise forms of radiation therapy available, and has proven very successful for the treatment of prostate. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body.
The plan operates in massachusetts under the trade name boston medical center healthnet plan and in other states under the trade name well sense health plan. Radiation therapy or radiotherapy, often abbreviated rt, rtx, or xrt, is a therapy using ionizing radiation, generally as part of cancer treatment to control or kill malignant cells and normally delivered by a linear accelerator. Robust optimization for intensity modulated radiation therapy. Acr practice parameter for intensitymodulated radiation. Intensity modulated radiation therapy, or imrt, is considered the most advanced photon beam radiation therapy available to destroy cancer cells without damaging normal tissue. Intensity modulated radiotherapy imrtan introduction. This allows for a larger dose of radiation to be applied to the tumor site, while minimizing exposure of the surrounding healthy tissue. An automated intensitymodulated radiation therapy planning. Imrt treatment plans are tailored to the target volumes and are geometrically more accurate than conventional or threedimensional conformal radiation therapy. Intensitymodulated radiation therapy typically involves inverse treatment planning, although forward treatment planning has been used.
Specifically, hospitals billed separately for complex stimulations when they were performed as part of imrt planning. Pdf intensitymodulated radiation therapy imrt with. Intensity modulated radiation therapy imrt may be considered medically necessary for the treatment of other cancers of the abdomen and pelvis, when the following criteria are met. Request for clinical exception to bcbsma intensity modulated radiation therapy imrt policy and notification. In this paper, we build a model of motion uncertainty using probability density functions that describe breathing motion, and provide a robust formulation of the problem of optimizing intensitymodulated radiation therapy. Pdf an automated intensitymodulated radiation therapy. An imrt plan is typically created with inverse planning. Imrt is provided in two treatment phases, planning and. Optimization was performed where 95% of the ptv receives the prescription dose using a voxel size of 2 mm 3.