Our results suggest that the use of ICD-9-CM codes in administrative data alone is insufficient to identify hyponatremia in outpatient populations. Whenever possible, supplementary laboratory ...
We examined the validity of ICD-9-CM diagnosis codes for the identification of hyponatremia in an outpatient managed care population using data from the IHCIS National Managed Care Benchmark Database.
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Medscape: Sensitivity of International Classification of Diseases Codes for Hyponatremia Among Commercially Insured Outpatients in the United States
Sensitivity of International Classification of Diseases Codes for Hyponatremia Among Commercially Insured Outpatients in the United States
ICD purpose and uses As a classification and terminology ICD-11: allows the systematic recording, analysis, interpretation and comparison of mortality and morbidity data collected in different countries or regions and at different times; ensures semantic interoperability and reusability of recorded data for the different use cases beyond mere health statistics, including decision support ...