In simple words: This code represents conditions where a child's development of thinking, understanding, language, movement, behavior, and feelings is delayed or limited.It includes problems like not being able to recognize familiar things or people (developmental agnosia) and having widespread delays in many areas of development (global developmental delay).

This code encompasses a range of neurodevelopmental disorders characterized by delayed or restricted development in cognitive, language, motor, behavioral, and/or emotional domains.These disorders include developmental agnosia (difficulty recognizing familiar people or objects), global developmental delay (significant delays across multiple developmental areas), and other specified neurodevelopmental disorders not classified elsewhere.Individuals with these disorders may experience limitations in intellectual functioning, adaptive behaviors, social skills, and speech/language/motor development.

Example 1: A 3-year-old child who does not speak and has difficulty understanding simple instructions. After comprehensive evaluation, no specific diagnosis like autism or a language disorder is identified, leading to a diagnosis of global developmental delay., A 5-year-old child can identify familiar people by their voice but not by their face, and vice versa. This selective difficulty with recognition, in the absence of other neurological conditions, suggests developmental agnosia., A 7-year-old child exhibits ongoing delays in social interaction, communication, and imaginative play. While some features of autism spectrum disorder are present, they do not meet the full criteria, leading to the use of F88 for other specified neurodevelopmental disorder.

Thorough documentation of developmental milestones, clinical observations, psychological assessments, and any relevant diagnostic tests (e.g., speech and language evaluations, occupational therapy assessments) are essential for accurate coding.