A nurse is reviewing a client's medical record. The nurse should anticipate which of the following as a classification within the Diagnostic and Statistical Manual of Mental Disorders 5th edition Text Revision (DSM-5 TR)?

A. Pediatric milestones refer to developmental achievements in children but are not a DSM-5 TR classification. B. Genetic disorders are medical diagnoses and are generally documented in medical records, but they are not classifications within the DSM-5 TR. C. Gastrointestinal disorders are medical conditions and fall outside the scope of DSM-5 TR classifications. D. Neurodevelopmental disorders are a recognized category in the DSM-5 TR, which includes conditions such as autism spectrum disorder, attention-deficit/hyperactivity disorder, intellectual disabilities, and learning disorders. These classifications are used by mental health professionals to diagnose and guide treatment planning.