Answer:
Parental knowledge deficit related to health care needs for a child with an intellectual disability.
Step-by-step explanation:
Based on the information provided within the question it can be said that in this scenario the most appropriate diagnosis would be Parental knowledge deficit related to health care needs for a child with an intellectual disability. In other words educating the parents on the proper courses of action that they need to take in order to provide their child with all that he/she needs to deal with their disability.