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Dual-energy X-ray absorptiometry (DXA, or DEXA [1]) is a means of measuring bone mineral density (BMD) using spectral imaging. Two X-ray beams, with different energy levels, are aimed at the patient's bones. When soft tissue absorption is subtracted out, the bone mineral density (BMD) can be determined from the absorption of each beam by bone ...
To reduce soft-tissue errors in DXA, DXL technology was developed in the late 1990s by a team of Swedish researchers led by Prof. Ragnar Kullenberg. With DXL technology, the region of interest is scanned using low and high energy x-rays as with a DXA scan. The improvement to DXA with DXL is that, for each pixel scanned by DXA, the exact ...
It is necessary for most users of the CPT code (principally providers of services) to pay license fees for access to the code. [19] In the past, AMA offered a limited search of the CPT manual for personal, non-commercial use on its web site. [20] CPT codes can be looked up on the AAPC (American Academy of Professional Coders) website. [21]
The Federation of State Medical Boards (FSMB) of the United States is a national non-profit organization that represents the 71 state medical and osteopathic boards of the United States and its territories and co-sponsors the United States Medical Licensing Examination. Medical boards license physicians, investigate complaints, discipline those ...
At the hip, a DXA-equivalent T-score may be calculated for comparison to the WHO classification at the proximal femur as normal, osteopenia (T-Score < -1.0 and > -2.5) or osteoporosis (T-Score < -2.5). [17] This T-Score may also be used for fracture risk probability calculation in the WHO FRAX tool [18] with "T-Score" as the appropriate DXA ...
The United States Medical Licensing Examination (USMLE) is a three-step examination program for medical licensure in the United States sponsored by the Federation of State Medical Boards (FSMB) and the National Board of Medical Examiners (NBME). [9] Physicians with a Doctor of Medicine (MD
When Michael Adams was researching health insurance options in 2023, he had one very specific requirement: coverage for prosthetic limbs. The roughly $50,000 leg with the electronically controlled ...
The National Board of Medical Examiners (NBME), founded in 1915, is a United States non-profit which develops and manages assessments of student physicians. Known for its role in developing the United States Medical Licensing Examination (USMLE) in partnership with the Federation of State Medical Boards (FSMB), USMLE examinations for medical students and residents are used by medical licensing ...