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Experiments in coding clinical information: an analysis of clinicians using a computerized coding tool
J H Hohnloser1, P Kadlec, F Puerner
1Medizinische Klinik, Ludwig-Maximilians-Universtität München, Germany.
Computers and Biomedical Research, an International Journal
|October 1, 1995
Summary
Computerized coding tools significantly improve medical coding accuracy and completeness by up to 55%. Mandatory modifier codes further enhance accuracy, while the tool reduces manual coding time by 50%.
Area of Science:
- Medical Informatics
- Health Information Management
Background:
- Accurate medical coding is crucial for healthcare reimbursement and data analysis.
- Traditional manual coding methods can be time-consuming and prone to errors.
Purpose of the Study:
- To evaluate the impact of a computerized coding tool on the completeness, accuracy, and efficiency of medical coding.
- To compare computer-assisted coding with traditional manual coding using the International Classification of Diseases, Ninth Revision (ICD-9).
Main Methods:
- A controlled experiment involving 18 practicing clinicians.
- Clinicians extracted medical concepts from narrative cases using both traditional and computer-assisted ICD-9 coding approaches.
- Analysis of coding completeness, accuracy, and time efficiency.
Main Results:
- Computer-assisted coding improved completeness by up to 55%.
- Mandatory modifier codes reduced incomplete coding to 0% and increased correct coding rates from 41% to 92%.
- Manual coding took 100% longer than computer-assisted coding; overall processing time was underestimated by 59%.
Conclusions:
- Computerized coding tools enhance efficiency and improve the quality of medical coding.
- The total time required for coding clinical scenarios may be underestimated when focusing solely on individual code processing times.