What ICD-10 Codes are Used for Developmental Delays
An accurate understanding of the International Classification of Diseases, 10th Revision (ICD-10) codes of developmental delays is crucial for precise medical documentation and billing. This list references the most frequently used codes in this situation, each with its associated clinical description.
- F81.9: Developmental disorder of academic skills, unspecified: This code is applied when a particular developmental disorder isn't specified, but the individual exhibits noticeable difficulties in acquiring specific academic skills.
- F88: Other disorders of psychological development: This code refers to atypical psychological development that doesn't align with other specified categories. It might cover a variety of symptoms and behavioral patterns that aren't encompassed by more specific diagnoses.
- R62.50: Unspecified lack of expected normal physiological development in childhood: This broad code encapsulates a range of developmental delays that have yet to be further specified or diagnosed. It is often used when a child lags in achieving certain developmental milestones.
- F83: Mixed specific developmental disorders: This code is assigned when a child exhibits a combination of specific developmental disorders that don't permit more precise coding. The presence of mixed disorders indicates significant interruptions in development across various domains.
- F82: Specific developmental disorder of motor function: This code is for instances where the predominant issue is a delay in developing motor skills. Children with this disorder might struggle with tasks like holding a pencil, buttoning clothes, or coordinating movements.
- Z13.42: Encounter for screening for autism spectrum disorder: This code is used during the screening process for developmental delays related to autism spectrum disorder. Early identification of autism can be critical to initiating necessary interventions.
You may find the following explainer video helpful for a clearer understanding of these complex codes and their application.
For sample application or a practical understanding, explore our Developmental Delay ICD Codes.

