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Code deleted, see 78803

Official Description

Brain imaging, tomographic (SPECT)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Brain imaging using single photon emission computed tomography (SPECT) is a diagnostic procedure that employs a radiolabeled isotope tracer to visualize brain activity. This imaging technique is based on the principles of nuclear medicine, where a single-photon emitting nuclide, such as technetium-99, is utilized. SPECT imaging is particularly valuable because it allows for the assessment of blood flow variations in the brain, which can indicate areas of neural activity. By performing specific tasks during the imaging process, clinicians can identify regions of the brain that are functioning differently, which is crucial for diagnosing various neurological conditions. The procedure is instrumental in detecting and evaluating cerebrovascular diseases, dementia, and brain injuries. Additionally, SPECT can assist in the presurgical localization of seizure foci in patients with epilepsy, providing essential information for surgical planning. The imaging process involves the use of gamma cameras and advanced computer technology to create a three-dimensional (3-D) representation of the brain's structure and blood flow patterns, enhancing the physician's ability to interpret the results accurately.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Brain imaging using SPECT is indicated for several clinical scenarios, particularly when assessing neurological conditions. The following are the primary indications for this procedure:

  • Cerebrovascular Disease This imaging technique is utilized to detect and evaluate conditions affecting blood flow in the brain, such as strokes or transient ischemic attacks.
  • Dementia SPECT imaging can help in the assessment of various types of dementia by identifying patterns of brain activity associated with different forms of cognitive decline.
  • Brain Injury The procedure is useful in evaluating the extent and impact of traumatic brain injuries, providing insights into areas of the brain that may be affected.
  • Presurgical Localization of Seizure Foci In patients with epilepsy, SPECT can assist in pinpointing the specific areas of the brain responsible for seizure activity, aiding in surgical planning.

2. Procedure

The SPECT imaging procedure involves several key steps to ensure accurate and effective results. The following outlines the procedural steps:

  • Patient Preparation The patient is positioned on the imaging table, ensuring comfort and stability during the procedure. The head and neck area is the focus of the imaging, and the gamma camera(s) are aligned accordingly.
  • Intravenous Line Establishment An intravenous line is established to facilitate the injection of the radiolabeled isotope tracer directly into the patient's circulatory system. This tracer is essential for visualizing blood flow in the brain.
  • Tracer Injection The radiolabeled isotope tracer is injected through the intravenous line. This tracer emits gamma rays, which will be detected by the gamma camera(s) during the imaging process.
  • Image Acquisition The gamma camera(s) rotate around the patient's head and neck, capturing images of blood perfusion in real-time. These images are then downloaded to a computer for further analysis.
  • Image Processing The captured images are processed to create tomographic sections and/or a cinematic display, providing a comprehensive view of the brain's structure and vascular perfusion.
  • Interpretation and Reporting A physician interprets the processed images, identifying areas of activity and inactivity in the brain. A written report detailing the findings is then generated for clinical use.

3. Post-Procedure

After the SPECT imaging procedure, patients are typically monitored for a short period to ensure there are no immediate adverse reactions to the tracer. There are generally no specific post-procedure care requirements, and patients can usually resume normal activities shortly after the imaging is completed. The physician will review the images and provide a detailed report, which may include recommendations for further evaluation or treatment based on the findings. It is important for patients to follow up with their healthcare provider to discuss the results and any necessary next steps.

Short Descr BRAIN IMAGING (3D)
Medium Descr BRAIN IMAGING TOMOGRAPHIC SPECT
Long Descr Brain imaging, tomographic (SPECT)
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) 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
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I1E - Standard imaging - nuclear medicine
MUE Not applicable/unspecified.
CCS Clinical Classification 210 - Other radioisotope scan
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Notes
2019-12-31 Deleted Code deleted, see 78803
2008-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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