Assessment of the Accuracy of Using ICD-9 Diagnosis Codes to Identify Pneumonia Etiology in Patients Hospitalized With Pneumonia | Zendy

Thomas L. Higgins | Zendy; Abhishek Deshpande | Zendy; Marya D. Zilberberg | Zendy; Peter K. Lindenauer | Zendy; Peter B. Imrey | Zendy; Pei-Chun Yu | Zendy; Sarah Haessler | Zendy; Sandra S. Richter | Zendy; Michael B. Rothberg | Zendy

Open Access

Assessment of the Accuracy of Using ICD-9 Diagnosis Codes to Identify Pneumonia Etiology in Patients Hospitalized With Pneumonia

Author(s) -

Thomas L. Higgins,

Abhishek Deshpande,

Marya D. Zilberberg,

Peter K. Lindenauer,

Peter B. Imrey,

Pei-Chun Yu,

Sarah Haessler,

Sandra S. Richter,

Michael B. Rothberg

Publication year - 2020

Publication title -

jama network open

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.278

H-Index - 39

ISSN - 2574-3805

DOI - 10.1001/jamanetworkopen.2020.7750

Subject(s) - medicine , pneumonia , etiology , gold standard (test) , epidemiology , diagnosis code , predictive value , positive predicative value , pediatrics , population , environmental health

Key Points Question Are organism-specific International Classification of Diseases, Ninth Revision (ICD-9) administrative codes for pneumonia valid measures in identifying pneumonia etiology? Findings In this cross-sectional study of data from 161 529 patients hospitalized with pneumonia between 2010 and 2015, ICD-9 codes had generally low sensitivity but high specificity for pneumonia etiology identified by laboratory testing. Meaning In this study, ICD-9 codes appeared to underestimate prevalence of specific organisms.

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