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Fig. 1 | BMC Medical Research Methodology

Fig. 1

From: Limitations of pulmonary embolism ICD-10 codes in emergency department administrative data: let the buyer beware

Fig. 1

Validation of PE ICD-10 codes. Coded PE: patients assigned I26.0 or I26.9 ICD-10 code; True Positive PE: patients assigned a PE ICD-10 code whose diagnosis was PE; False Positive PE: patients whose chart revealed a diagnosis other than PE; Miscoded PE: patients who should have been assigned an alternative code; Query PE: patients assigned a PE diagnostic code workup revealed a likely absence of PE; No PE ICD-10 code: patients not assigned I26.0 or I26.9 ICD-10 code; False Negative PE: patients with a PE who were not assigned a PE ICD-10 code; True Negative PE: patients not diagnosed with PE and not assigned a PE ICD-10; Validation Negative PE: patients not diagnosed with PE (may or may not be reflected by their ICD-10 code assignment); Validation Positive PE: patients diagnosed with PE (may or may not be reflected by their ICD-10 code assignment)

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