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Official Description

Acute venous thrombosis imaging, peptide

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Acute venous thrombosis imaging is a diagnostic procedure that utilizes scintigraphy in conjunction with a radiolabeled, highly specific synthetic peptide to visualize and assess the presence of blood clots within the venous system. This imaging technique is particularly valuable as the synthetic peptide has a high affinity for binding to the clot, allowing for detailed imaging of the clot's metabolic activity. The procedure provides insights into the biomolecular behavior of various components involved in the clotting process, including the formed elements of blood and platelets. During the imaging process, the patient is carefully positioned on an imaging table, ensuring that the gamma camera is accurately aligned over the area of interest. An intravenous line is established to facilitate the injection of the radiolabeled isotope synthetic peptide directly into the patient's circulatory system. Following the injection, scanning is conducted at predetermined intervals to capture the radioactive energy emitted from the area, which is then processed and displayed as a cine loop on a computer. The physician is responsible for interpreting the results of the imaging study and subsequently providing a comprehensive written report detailing the findings, which is essential for guiding further clinical management.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Acute venous thrombosis imaging is indicated for the evaluation of suspected venous thromboembolism, particularly in patients presenting with symptoms that may suggest the presence of a blood clot in the venous system. The following conditions may warrant this imaging procedure:

  • Suspected Deep Vein Thrombosis (DVT) Patients exhibiting signs and symptoms consistent with DVT, such as swelling, pain, and tenderness in the affected limb.
  • Assessment of Thrombus Extension Patients with known venous thrombosis requiring evaluation of the extent of the thrombus.
  • Monitoring Treatment Efficacy Patients undergoing anticoagulation therapy who need assessment of the effectiveness of the treatment in resolving the thrombus.

2. Procedure

The procedure for acute venous thrombosis imaging involves several critical steps to ensure accurate and effective imaging of the venous system. The following outlines the procedural steps:

  • Patient Preparation The patient is positioned comfortably on the imaging table, ensuring that the area of interest is accessible for imaging. Proper positioning is crucial for obtaining clear and accurate images.
  • Intravenous Line Establishment An intravenous line is established in the patient's arm or hand to facilitate the administration of the radiolabeled synthetic peptide. This step is essential for ensuring that the peptide is delivered directly into the circulatory system.
  • Injection of Radiolabeled Peptide The radiolabeled synthetic peptide is injected through the established intravenous line. This peptide is specifically designed to bind to the clot, allowing for targeted imaging of the thrombus.
  • Scanning Procedure After the injection, scanning is performed at specific intervals to capture the emitted radioactive energy from the area of interest. The gamma camera is used to detect this energy, and the data is processed to create images of the clot's metabolic activity.
  • Image Processing and Interpretation The captured images are run as a cine loop on a computer, allowing for dynamic visualization of the clot. The physician interprets these images and compiles a written report detailing the findings of the study.

3. Post-Procedure

Post-procedure care for patients undergoing acute venous thrombosis imaging typically involves monitoring for any immediate adverse reactions to the injected radiolabeled peptide. Patients may be advised to hydrate adequately to facilitate the elimination of the radioactive material from their system. Additionally, the physician will review the findings from the imaging study and discuss the results with the patient, including any necessary follow-up actions or treatments based on the interpretation of the images. It is important for patients to understand the significance of the results and any further diagnostic or therapeutic steps that may be required.

Short Descr ACUTE VENOUS THROMBUS IMAGE
Medium Descr ACUTE VENOUS THROMBOSIS IMAGING PEPTIDE
Long Descr Acute venous thrombosis imaging, peptide
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) 6 - Special payment adjustment rules on the technical component (TC) of multiple diagnostic cardiovascular services apply...
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
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) I1E - Standard imaging - nuclear medicine
MUE 1
CCS Clinical Classification 210 - Other radioisotope scan
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.
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.
Date
Action
Notes
2000-01-01 Added First appearance in code book in 2000.
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