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Table 7 Cost of radiographic examination for a film-based system

From: Filmless versus film-based systems in radiographic examination costs: an activity-based costing method

Cost objects Lumbar (6 views) Knee (3 views) Wrist (2 views) Other Total
Indirect costs         
Activity (Cost pool) Activity driver Cost (yen) Cost (yen) Cost (yen) Cost (yen) Cost (yen) Rate
Main activity         
Prepare previous film image 33.33 /examination 20,000 13,333 13,333 20,000 66,667 0.5%
Transportation of film/order slip 8.33 /examination 12,500 8,333 8,333 12,500 41,667 0.3%
Registration of patient information 51.23 /examination 76,844 51,230 51,230 76,844 256,148 2.0%
Checking previous film image 54.36 /examination 32,618 21,745 21,745 32,618 108,727 0.9%
Preparing room 63.83 /minute 23,937 15,958 15,958 23,937 79,791 0.6%
Calling patient 63.83 /minute 47,875 31,916 31,916 47,875 159,582 1.3%
Explanation of scan 63.83 /minute 47,875 31,916 31,916 47,875 159,582 1.3%
Changing clothes 63.83 /minute 191,499 127,666 0 127,666 446,830 3.5%
Take photographs (reading image) 116.29 /minute 1,046,627 436,095 232,584 683,215 2,398,520 18.8%
Aftercare 116.29 /minute 87,219 58,146 58,146 87,219 290,730 2.3%
Changing clothes 13.83 /minute 41,499 27,666 0 27,666 96,830 0.8%
Opinion/Transmission 24.97 /view 224,769 74,923 49,949 149,846 499,488 3.9%
Printing film (preparation of film envelope) 68.75 /view 618,750 206,250 137,500 412,500 1,375,000 10.8%
Checking film image 13.25 /view 119,260 39,753 26,502 79,507 265,023 2.1%
Transportation of film/order slip 25.00 /examination 37,500 25,000 25,000 37,500 125,000 1.0%
Support activity         
Maintenance of the equipment/system 460.00 /examination 690,000 460,000 460,000 690,000 2,300,000 18.0%
Other administration 40.00 /examination 60,000 40,000 40,000 60,000 200,000 1.6%
Indirect costs total    3,378,772 1,669,931 1,204,113 2,616,767 8,869,583 69.6%
Direct costs         
Film (B5) 159.0 /film 1,431,000 477,000 318,000 954,000 3,180,000 24.9%
Film envelope 20.0   30,000 20,000 20,000 30,000 100,000 0.8%
Film disposal 30.0 /film 270,000 90,000 60,000 180,000 600,000 4.7%
Direct costs total    1,731,000 587,000 398,000 1,164,000 3,880,000 30.4%
Total cost    5,109,772 2,256,931 1,602,113 3,780,767 12,749,583 100.0%
Cost of radiographic examination    3,407 2,257 1,602 2,521