Validation of Claims-based Diagnoses of Adult and Pediatric Neuromyelitis Optica Spectrum Disorder and Variations in Diagnostic Evaluation and Treatment Initiation

Conclusion: The ICD-9 code for neuromyelitis optica (NMO) is inaccurate for identification of NMO/NMOSD. Using case-finding algorithms increases the PPV. The initial diagnostic evaluation and treatment of NMOSD differs significantly between children and adults.
Source: Multiple Sclerosis and Related Disorders - Category: Neurology Source Type: research