Validity of hospital discharge data for
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David E. Stickler; Julie A. Royer; James W. Hardin
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Article
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2011
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John Wiley and Sons
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English
β 350 KB
## Abstract Inpatient hospital encounters and emergency department visits were examined to identify cases of amyotrophic lateral sclerosis (ALS).The ninth edition of the International Classification of Disease, clinical modification (ICDβ9βCM) for ALS was confirmed for ALS was confirmed in 93% of i