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The effect of allowing clinical discretion in ordering biochemical tests. Evaluation by complementary methods
K Buckingham1, I Russell, I Ross
1University of Aberdeen.
International Journal of Technology Assessment in Health Care
|January 1, 1994
Summary
Installing a discretionary biochemistry analyzer (DAX) improved test specificity, reducing overall test requests and costs. Doctors favored the enhanced control over biochemical test ordering.
Area of Science:
- Clinical Biochemistry
- Health Economics
- Medical Technology Assessment
Background:
- Biochemistry testing is crucial for clinical decision-making.
- Previous methods may lack specificity in test ordering.
- The implementation of new diagnostic technologies can impact healthcare delivery.
Purpose of the Study:
- To evaluate the impact of a discretionary biochemistry analyzer (DAX) on clinical practice.
- To assess changes in biochemical test ordering patterns and associated costs.
- To understand physician preferences regarding biochemical test selection.
Main Methods:
- A discretionary biochemistry analyzer (DAX) was installed.
- Data on test requests, costs, and working patterns were collected and analyzed.
- Clinical behavior and physician preferences were observed and documented.
Main Results:
- The DAX system encouraged more specific biochemical test requests.
- A substantial reduction in the overall number of tests requested was observed.
- Overall costs associated with biochemistry testing were slightly reduced.
- Physicians expressed a preference for the enhanced specificity in test ordering.
Conclusions:
- Implementing a discretionary biochemistry analyzer can optimize test utilization.
- Increased specificity in test ordering leads to cost savings.
- Physician preference supports the adoption of more specific diagnostic tools.