Evaluating phecodes, clinical classification software, and ICD-9-CM codes for phenome-wide association studies in the electronic health record | PLOS ONE
ICD-9-CM and CPT codes | Download Table
Comprehensive review of ICD-9 code accuracies to measure multimorbidity in administrative data | BMC Health Services Research | Full Text
Is Coding for Myocardial Infarction More Accurate Now That Coding Descriptions Have Been Clarified to Distinguish ST-Elevation Myocardial Infarction from Non-ST Elevation Myocardial Infarction? - American Journal of Cardiology
Supplemental Digital Content 1 Development and testing of compatible ICD-9-CM and ICD-10-CM diagnosis code lists for the Functio
Cohen's Kappa | Real Statistics Using Excel
Antibiotics | Free Full-Text | Validating Use of Electronic Health Data to Identify Patients with Urinary Tract Infections in Outpatient Settings | HTML
Validity of Administrative Database Coding for Kidney Disease: A Systematic Review - American Journal of Kidney Diseases
An Evaluation of Comparability between NEISS and ICD-9-CM Injury Coding | PLOS ONE
Agreement and Discordance by Stroke/TIA Diagnoses | Download Table
Frontiers | Intra-rater Kappa Accuracy of Prototype and ICD-10 Operational Criteria-Based Diagnoses for Mental Disorders: A Brief Report of a Cross-Sectional Study in an Outpatient Setting | Psychiatry
The validity of viral hepatitis and chronic liver disease diagnoses in Veterans Affairs administrative databases - KRAMER - 2008 - Alimentary Pharmacology & Therapeutics - Wiley Online Library
Validation of an ICD code for accurately identifying emergency department patients who suffer an out-of-hospital cardiac arrest - Resuscitation
Physician's Choice of Charting Template Versus ICD-9 Code --- Agreement Between Two Syndromic Surveillance Methods Using Emergency Department Electronic Medical Records
Using ICD-9 codes to identify indications for primary and repeat cesarean sections: agreement with clinical records.
Categorization of ICD-9 and ICD-10 codes | Download Table
ICD-9 codes associated with hip complaints | Download Table
Accuracy of ICD-9-CM Coding for the Identification of Patients With Acute Ischemic Stroke | Stroke
Updating and Validating the Rheumatic Disease Comorbidity Index to ICD" by Hanifah Ali, Punyasha Roul et al.
Accuracy of ICD‐9‐CM Codes by Hospital Characteristics and Stroke Severity: Paul Coverdell National Acute Stroke Program | Journal of the American Heart Association
Cohen's Kappa | Real Statistics Using Excel
Full listing of all emergency department ICD-9-CM codes, with... | Download Table
Comparability of NEISS and ICD-9-CM Code classification systems. | Download Table
Improving Cervical Precancer Surveillance: Validity of Claims-Based Prediction Models in ICD-9 and ICD-10 Eras
