Technical cost of CT examinations

Area of Science:

• Radiology
• Health Economics
• Medical Imaging Technology

Background:

• Computed tomography (CT) is a cornerstone of modern medical diagnostics.
• Understanding the technical costs associated with CT examinations is crucial for healthcare management and resource allocation.
• Previous studies have not comprehensively detailed the cost breakdown of various CT procedures.

Purpose of the Study:

• To quantify the technical costs of diverse categories of computed tomographic (CT) examinations.
• To analyze cost components including labor and nonlabor expenses.
• To determine cost per technical relative value unit (RVU) and per examination.

Main Methods:

• Technical costs of CT examinations were measured for fiscal year 1997 at a tertiary care academic medical center.
• Costs were categorized into labor and nonlabor components, with indirect departmental and hospital overhead costs allocated.
• Physician interpretation costs were excluded. Costs were calculated per technical RVU and per examination type (nonenhanced, contrast-enhanced, interventional).

Main Results:

• In fiscal year 1997, 45,599 CT examinations were performed.
• Overall labor costs were $1,744,653 and nonlabor costs were $2,912,282.
• The mean technical cost per examination was $150 for nonenhanced CT, $237 for contrast-enhanced CT, and $462 for interventional CT. A hypothetical CT examination with a mean technical RVU cost $189.

Conclusions:

• The mean technical cost for a diagnostic CT examination is less than $200.
• While CT technology is sophisticated, its operational costs are relatively contained for standard diagnostic procedures.
• Cost variations exist significantly between nonenhanced, contrast-enhanced, and interventional CT procedures.