Validation of administrative codes for calcium pyrophosphate deposition: a Veterans Administration study.

@article{Bartels2015ValidationOA,
  title={Validation of administrative codes for calcium pyrophosphate deposition: a Veterans Administration study.},
  author={Christie M. Bartels and Jasvinder A Singh and Konstantinos Parperis and Karri Huber and Ann Kathryn Rosenthal},
  journal={Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases},
  year={2015},
  volume={21 4},
  pages={189-92}
}
BACKGROUND Despite high prevalence, progress in calcium pyrophosphate deposition (CPPD) has been limited by poor awareness and absence of validated approaches to study it in large data sets. OBJECTIVES We aimed to determine the accuracy of administrative codes for the diagnosis of CPPD as a foundational step for future studies. METHODS We identified all patients with an International Classification of Diseases, Ninth Revision, Clinical Modification code for chondrocalcinosis (712.1-712.39… CONTINUE READING
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