Key result
ICD-10 codes I50.x yield ~61% positive predictive value for definite heart failure.
Why the study?
What is the diagnostic accuracy of ICD-10 codes I50.x for identifying heart failure in an administrative database compared to electronic health records?
Population
429 patients from two French university hospitals
Comparison
Identification of heart failure using ICD-10… vs Electronic health record review based on…
Design
Cross-sectional
Authors
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Urges caution using I50.x codes for definite HF identification; leaves open need for improved validation algorithms in administrative data.
What is the diagnostic accuracy of ICD-10 codes I50.x for identifying heart failure in an administrative database compared to electronic health records?
ICD-10 codes for heart failure in administrative databases have good positive predictive value but moderate sensitivity, indicating they accurately identify HF patients but may miss a significant proportion.
Bosco‐Lévy et al. (2018) studied this question. ICD-10 codes I50.x had a positive predictive value of 60.5% for definite heart failure and 64.2% sensitivity in a French hospital database.
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