Validation of International Classification of Diseases (ICD) code‐based case definitions of immune checkpoint inhibitor associated inflammatory arthritis from administrative health data | Synapse
March 25, 2026Open Access
Validation of International Classification of Diseases (ICD) code‐based case definitions of immune checkpoint inhibitor associated inflammatory arthritis from administrative health data
Key Points
This research aims to validate ICD code-based case definitions for identifying inflammatory arthritis linked to immune checkpoint inhibitors.
Validation of ICD code-based case definitions
Analysis of administrative health data
Assessment of accuracy in detecting inflammatory arthritis
Supports the use of administrative health records for monitoring inflammatory arthritis cases
Abstract
ICD code-based case definitions of ICI-IA can accurately detect ICI-IA and can be used to support ICI-IA surveillance and research with administrative health data.