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Official Description

Magnetic resonance (eg, vibration) elastography

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Magnetic resonance (vibration) elastography is a sophisticated, noninvasive imaging technique that integrates magnetic resonance imaging (MRI) with sound wave technology to assess the mechanical properties of body tissues. This procedure is particularly focused on evaluating the elasticity or stiffness of organs, which can provide critical insights into various medical conditions. During the process, the patient is carefully positioned within the MRI scanner, ensuring optimal imaging of the targeted area. An electro-mechanical transducer, which emits sound waves, is placed on the skin over the region of interest. Low-frequency shear wave vibrations are then introduced into the tissue, and the MRI scanner captures images of these vibrations as they propagate through the organ or tissue. The speed at which these vibrations travel is indicative of the tissue's density and elasticity; faster vibrations suggest the presence of dense or stiff (potentially diseased) tissue, while slower vibrations are characteristic of healthy, soft, and elastic tissue. A specialized computer program analyzes the collected data and generates a color-enhanced map that visually distinguishes between normal and diseased tissue, aiding in the diagnosis and management of conditions such as liver disease, fibrosis, and scarring. This technique is particularly valuable as liver disease often remains asymptomatic until significant scarring, known as cirrhosis, has developed, making early detection crucial for effective treatment.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Magnetic resonance (vibration) elastography is indicated for the evaluation of specific medical conditions that affect tissue elasticity and stiffness. The following are the primary indications for this procedure:

  • Suspected Liver Disease This procedure is utilized when there is a clinical suspicion of liver disease, which may include various conditions affecting liver function and structure.
  • Fibrosis Magnetic resonance elastography is indicated for assessing the presence and extent of fibrosis, which is the formation of excess fibrous connective tissue in an organ, often as a response to injury or disease.
  • Scarring The procedure is also indicated for evaluating scarring within the liver, which can occur due to chronic liver diseases and can lead to significant complications if not monitored.

2. Procedure

The procedure of magnetic resonance (vibration) elastography involves several key steps that ensure accurate imaging and assessment of tissue properties. The following outlines the procedural steps:

  • Step 1: Patient Positioning The patient is positioned comfortably within the MRI scanner, ensuring that the area of interest is properly aligned for imaging. This positioning is crucial for obtaining high-quality images and accurate measurements.
  • Step 2: Application of Transducer An electro-mechanical transducer is applied to the skin over the targeted area. This device is responsible for generating low-frequency shear wave vibrations that will be introduced into the tissue.
  • Step 3: Introduction of Vibrations Low-frequency shear wave vibrations are introduced into the tissue through the transducer. These vibrations travel through the organ or tissue, and their speed is influenced by the tissue's elasticity and density.
  • Step 4: Image Acquisition The MRI scanner collects images of the vibrations as they propagate through the tissue. This imaging process is essential for visualizing the mechanical properties of the organ being examined.
  • Step 5: Data Analysis A computer program analyzes the collected images and measures the speed of the vibrations. This data is then used to generate a color-enhanced map that distinguishes between normal and diseased tissue based on their elasticity.

3. Post-Procedure

After the completion of magnetic resonance (vibration) elastography, patients typically do not require any specific post-procedure care, as the procedure is noninvasive and does not involve any sedation or recovery time. Patients can usually resume their normal activities immediately following the procedure. The results of the elastography will be analyzed and interpreted by a qualified healthcare professional, who will discuss the findings with the patient and determine any necessary follow-up actions or treatments based on the results. It is important for patients to follow up with their healthcare provider to understand the implications of the findings and to receive appropriate care if any abnormalities are detected.

Short Descr MR ELASTOGRAPHY
Medium Descr MAGNETIC RESONANCE ELASTOGRAPHY
Long Descr Magnetic resonance (eg, vibration) elastography
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 1 - Diagnostic Tests for Radiology Services
Multiple Procedures (51) 4 - Special payment adjustment rules on the technical component (TC) of multiple diagnostic imaging 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 88 -
APC Status Indicator Codes That May Be Paid Through a Composite APC
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) none
MUE 1
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
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.
GC This service has been performed in part by a resident under the direction of a teaching physician
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
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
MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
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).
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
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.
GA Waiver of liability statement issued as required by payer policy, individual case
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
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
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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2019-01-01 Added Added
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