Wiki Trabecular Bone Score Codes

See CPT Assistant Dec 2021 Volume 31, Issue 12, apge 16 "Reporting the calculation of a trabecular bone score (77089-77092). 77090 the data is sent out for analysis and 77091 is used when the calculation is done by the technologist
 
per EncoderPro:
77090
Trabecular bone score (TBS), structural condition of the bone microarchitecture; technical preparation and transmission of data for analysis to be performed elsewhere

77091
Trabecular bone score (TBS), structural condition of the bone microarchitecture; technical calculation only

The trabecular bone score (TBS) is a diagnostic software tool that analyzes the internal structure of the lumbar spine bones. It is used in conjunction with dual-energy x-ray absorptiometry (DXA), which is an enhanced form of x-ray technology that is performed to measure bone mineral density (BMD). TBS uses standard DXA lumbar spine images to measure the structure of trabecular (cancellous) bone, providing additional information to be used in conjunction with BMD results in calculating fracture risk. Using a software program installed on a standard DXA computer, TBS provides an index of bone structure and quality without requiring additional radiation exposure or scan time. Report 77089 for TBS using DXA or other imaging data on grayscale variogram, calculation, and interpretation/report on fracture risk. Report 77090 for the technical preparation and transmission of data for an analysis to be performed elsewhere. Report 77091 for the technical calculation only. Report 77092 for the interpretation and report on fracture risk only by a qualified health care professional.
 
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