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Positron emission tomography (PET) imaging, commonly known as a PET scan, is a sophisticated diagnostic imaging technique that provides detailed physiological images of the body. This procedure is specifically performed from the skull base to mid-thigh, allowing for a comprehensive assessment of various anatomical regions. The process involves the administration of a radioactive substance, known as a radioisotope, which is crucial for the imaging process. This radioisotope emits positrons, which are detected during the imaging procedure, enabling the visualization of metabolic activity within the body. PET imaging is particularly valuable in the medical field for identifying malignant lesions, assessing the effectiveness of cancer treatments, and evaluating other medical conditions. The radioisotopes utilized in PET imaging are characterized by their short half-lives, necessitating the use of a cyclotron to produce them immediately before the imaging procedure. Once generated, the radioisotope is typically tagged to a natural compound, such as glucose, which is then administered to the patient, usually through an intravenous line. In some cases, it may also be inhaled. Following administration, the radioisotope is absorbed by various tissues and organs, with normal and diseased tissues exhibiting different rates of accumulation. This differential uptake is visually represented in the PET images, where varying colors or brightness levels indicate the presence of normal versus abnormal tissue. Prior to the imaging, patients are prepared by placing an intravenous line for the radioisotope administration. They are instructed to remain still and quiet for a period of 30 to 90 minutes, allowing the radioisotope to circulate and accumulate in the targeted body regions. Once this waiting period is complete, the PET images are captured. A radiologist then reviews these images, analyzing the patterns of radioisotope accumulation and comparing them to any previous radiological studies. The findings are interpreted, and a comprehensive written report is generated to assist in clinical decision-making.
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Positron emission tomography (PET) imaging is indicated for various clinical scenarios, primarily focusing on the detection and evaluation of malignancies. The following conditions and symptoms may warrant the use of this imaging technique:
The procedure for positron emission tomography (PET) imaging involves several critical steps to ensure accurate and effective imaging results. The following outlines the procedural steps:
After the PET imaging procedure, patients may be monitored briefly to ensure there are no immediate adverse reactions to the radioisotope. Generally, there are no specific post-procedure care requirements, and patients can resume their normal activities unless otherwise instructed by their healthcare provider. It is important for patients to stay hydrated and follow any additional recommendations provided by the medical team. The results of the PET scan will be discussed with the patient during a follow-up appointment, where the implications of the findings will be explained, and further management options will be considered based on the results.
| Short Descr | PET IMAGE SKULL-THIGH | Medium Descr | PET IMAGING SKULL BASE TO MID-THIGH | Long Descr | Positron emission tomography (PET) imaging; skull base to mid-thigh | Status Code | Carriers Price the Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 1 - Diagnostic Tests for Radiology Services | Multiple Procedures (51) | 0 - No payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 0 - 150% payment adjustment for bilateral procedures does NOT apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 0 - Payment restriction for assistants at surgery applies to this procedure... | Co-Surgeons (62) | 0 - Co-surgeons not permitted for this procedure. | Team Surgery (66) | 0 - Team surgeons not permitted for this procedure. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | Procedure or Service, Not Discounted when Multiple | ASC Payment Indicator | Radiology service paid separately when provided integral to a surgical procedure on ASC list; payment based on OPPS relative payment weight. | Type of Service (TOS) | 4 - Diagnostic Radiology | Berenson-Eggers TOS (BETOS) | I2D - Advanced imaging - MRI/MRA: other | MUE | 1 | CCS Clinical Classification | 209 - Radioisotope scan and function studies |
| 26 | Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number. | PS | Positron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the pet study is needed to inform subsequent anti-tumor strategy | PI | Positron emission tomography (pet) or pet/computed tomography (ct) to inform the initial treatment strategy of tumors that are biopsy proven or strongly suspected of being cancerous based on other diagnostic testing | KX | Requirements specified in the medical policy have been met | GC | This service has been performed in part by a resident under the direction of a teaching physician | 77 | Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. | TC | Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles | X5 | Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician | MG | The order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional | Q1 | Routine clinical service provided in a clinical research study that is in an approved clinical research study | 52 | Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use). | 53 | Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use). | CR | Catastrophe/disaster related | GA | Waiver of liability statement issued as required by payer policy, individual case | GV | Attending physician not employed or paid under arrangement by the patient's hospice provider | GZ | Item or service expected to be denied as not reasonable and necessary | KK | Dmepos item subject to dmepos competitive bidding program number 2 | MC | Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision support mechanism vendor issues | ME | The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional | Q0 | Investigational clinical service provided in a clinical research study that is in an approved clinical research study | Q6 | Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area | Ordering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional | XE | Separate encounter, a service that is distinct because it occurred during a separate encounter | XS | Separate structure, a service that is distinct because it was performed on a separate organ/structure | XU | Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service |
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| 2011-01-01 | Changed | Short description changed. |
| 2008-01-01 | Changed | Code description changed. |
| 2005-01-01 | Added | First appearance in code book in 2005. |
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