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B030ZZZ. ICD-9-CM. 88.91. OPS-301 code. 3-800, 3-820. Magnetic resonance imaging of the brain uses magnetic resonance imaging (MRI) to produce high quality two-dimensional or three-dimensional images of the brain and brainstem as well as the cerebellum without the use of ionizing radiation (X-rays) or radioactive tracers.
MeSH. D049448. OPS-301 code. 3-843. [ edit on Wikidata] Magnetic resonance cholangiopancreatography (MRCP) is a medical imaging technique. It uses magnetic resonance imaging to visualize the biliary and pancreatic ducts non-invasively. This procedure can be used to determine whether gallstones are lodged in any of the ducts surrounding the ...
003335. Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio waves to generate images of the organs in the body. MRI does not involve X-rays or the use of ...
Functional magnetic resonance imaging. Measures brain activity detecting changes due to blood flow. Functional magnetic resonance imaging or functional MRI (fMRI) measures brain activity by detecting changes associated with blood flow. [1][2] This technique relies on the fact that cerebral blood flow and neuronal activation are coupled.
Cardiac magnetic resonance imaging (cardiac MRI, CMR), also known as cardiovascular MRI, is a magnetic resonance imaging (MRI) technology used for non-invasive assessment of the function and structure of the cardiovascular system. [ 2 ] Conditions in which it is performed include congenital heart disease, cardiomyopathies and valvular heart ...
Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the resulting data that uses the diffusion of water molecules to generate contrast in MR images. [ 1 ][ 2 ][ 3 ] It allows the mapping of the diffusion process of molecules, mainly water, in ...
The acronym HCPCS originally stood for HCFA Common Procedure Coding System, a medical billing process used by the Centers for Medicare and Medicaid Services (CMS). Prior to 2001, CMS was known as the Health Care Financing Administration (HCFA). HCPCS was established in 1978 to provide a standardized coding system for describing the specific ...
In cerebral infarction, the penumbra has decreased perfusion. [1] Another MRI sequence, diffusion weighted MRI, estimates the amount of tissue that is already necrotic, and the combination of those sequences can therefore be used to estimate the amount of brain tissue that is salvageable by thrombolysis and/or thrombectomy.