ArticleBMJ health & care informatics2023
Implementer report: ICD-10 code F44.5 review for functional seizure disorder.
Article in BMJ health & care informatics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- Mortality in functional seizures: Evidence from a large electronic health records dataset.Epilepsia · 2026Article
- The prevalence of comorbidities in people with psychogenic non-epileptic seizures (2013-2023).Epilepsy & behavior : E&B · 2025Article
- Article
- Characterizing emergency department and inpatient health care utilization after seizure-related hospitalization: A retrospective cohort study.Epilepsia · 2024Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
objectiveThe study aimed to measure the validity of International Classification of Diseases, 10th Edition (ICD-10) code F44.5 for functional seizure disorder (FSD) in the Veterans Affairs Connecticut Healthcare System electronic health record (VA EHR).
methodsThe study used an informatics search tool, a natural language processing algorithm and a chart review to validate FSD coding.
resultsThe positive predictive value (PPV) for code F44.5 was calculated to be 44%. DISCUSSION: ICD-10 introduced a specific code for FSD to improve coding validity. However, results revealed a meager (44%) PPV for code F44.5. Evaluation of the low diagnostic precision of FSD identified inconsistencies in the ICD-10 and VA EHR systems.
conclusionInformation system improvements may increase the precision of diagnostic coding by clinicians. Specifically, the EHR problem list should include commonly used diagnostic codes and an appropriately curated ICD-10 term list for 'seizure disorder,' and a single ICD code for FSD should be classified under neurology and psychiatry.
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Registered trials
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