Administrative data that utilize International Classification of Diseases-Ninth Revision (ICD-9) diagnosis and procedure codes are increasingly used to study patterns of care and outcomes in patients ...

CCS DX: Diagnosis categorization initially created based on ICD-9 codes. ICD-10 code mappings were later included in the original categories as a beta release. 13726 ICD-9-CM and 72446 ICD-10-CM codes ...

Previous examinations of International Classification of Disease, Ninth Revision, Clinical Modification (ICD-9-CM) codes to predict accuracy of diagnosis in inflammatory bowel disease have had limited ...

Coronary artery bypass graft was defined as a qualifying code (Current Procedural Terminology [CPT] or Healthcare Common Procedure Coding System [HCPCS] code 33140 ...