77078 CT bone density axial
Also known as: CT bone density, QCT bone densitometry
Computed tomography imaging for bone mineral density assessment of axial skeleton.
In Plain Language
CT scan to measure bone thickness and strength
Clinical Context
Quantitative computed tomography measurement of bone mineral density in axial skeleton. Used to assess osteoporosis and fracture risk, particularly when dual-energy X-ray absorptiometry is contraindicated.
RVU Breakdown
| Work RVU | 0.24 |
| Total RVU | 0.24 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 0.24, this code ranks in the 15th percentile among Radiology codes — 3.4x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77078?
CPT 77078 (CT bone density axial) is a Radiology code. Computed tomography imaging for bone mineral density assessment of axial skeleton.
Who uses CPT code 77078?
CPT 77078 is used by Radiology, Endocrinology, Orthopedic Surgery. Quantitative computed tomography measurement of bone mineral density in axial skeleton. Used to assess osteoporosis and fracture risk, particularly when dual-energy X-ray absorptiometry is contraindicated.
When is CPT 77078 used?
Quantitative computed tomography measurement of bone mineral density in axial skeleton. Used to assess osteoporosis and fracture risk, particularly when dual-energy X-ray absorptiometry is contraindicated.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.